{"items":[{"id":"NVI-00002111","kind":"vulnerability","title":"pubnub Insufficient Entropy vulnerability","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-5844-q3fc-56rh","CVE-2023-26154"],"plain_summary":"OSV carries this publisher advisory for pubnub, com.pubnub:pubnub-kotlin, com.pubnub:pubnub, github.com/pubnub/go/v7, github.com/pubnub/go. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 7.4.0 for pubnub. Confirm the publisher’s latest guidance.","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.1.0 for pubnub/pubnub. Confirm the publisher’s latest guidance.","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-23569ca479412b623298284d4c6a13a4"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T05:42:47.943Z","value":"5.9 MEDIUM (3.1)","meaning":"report@snyk.io severity; no combined Null risk score.","source_id":"sr-5326f961f886800a05a4d6f4b91818f9"},{"kind":"CVSS","as_of":"2026-06-17T05:42:47.943Z","value":"5.9 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5326f961f886800a05a4d6f4b91818f9"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.963%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.61669. Missing scores are unknown.","source_id":"sr-23569ca479412b623298284d4c6a13a4"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0b83d3c6e32430be7a4aa3ca0ed9a98a","url":"https://github.com/advisories/GHSA-5844-q3fc-56rh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5844-q3fc-56rh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.679Z"},{"id":"sr-5326f961f886800a05a4d6f4b91818f9","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26154","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2023-26154","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T00:58:29.087Z"},{"id":"sr-23569ca479412b623298284d4c6a13a4","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2023-26154","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:14:50.774Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 7.4.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"com.pubnub:pubnub-kotlin","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.7.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"com.pubnub:pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 4.6.5"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v7","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 7.2.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 0.0.0-20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v6","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 6.1.1-0.20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v5","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 5.0.4-0.20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"Pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 6.19.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/swift","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 6.2.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.3.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 0.4.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub/pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 6.1.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.3.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.3.0"]}],"null_published_at":"2026-11-07T14:01:58.742Z","source_updated_at":"2026-07-07T17:56:14.430Z","source_disclosed_at":"2023-12-06T06:30:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.679Z"},{"id":"NVI-00002111","kind":"vulnerability","title":"pubnub Insufficient Entropy vulnerability","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-5844-q3fc-56rh","CVE-2023-26154"],"plain_summary":"OSV carries this publisher advisory for pubnub, com.pubnub:pubnub-kotlin, com.pubnub:pubnub, github.com/pubnub/go/v7, github.com/pubnub/go. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 7.4.0 for pubnub. Confirm the publisher’s latest guidance.","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.1.0 for pubnub/pubnub. Confirm the publisher’s latest guidance.","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-3143a4593e86d29cc5606d53e745d0a9"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T05:42:47.943Z","value":"5.9 MEDIUM (3.1)","meaning":"report@snyk.io severity; no combined Null risk score.","source_id":"sr-5326f961f886800a05a4d6f4b91818f9"},{"kind":"CVSS","as_of":"2026-06-17T05:42:47.943Z","value":"5.9 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5326f961f886800a05a4d6f4b91818f9"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.963%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.61676. Missing scores are unknown.","source_id":"sr-3143a4593e86d29cc5606d53e745d0a9"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0b83d3c6e32430be7a4aa3ca0ed9a98a","url":"https://github.com/advisories/GHSA-5844-q3fc-56rh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5844-q3fc-56rh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.679Z"},{"id":"sr-5326f961f886800a05a4d6f4b91818f9","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26154","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2023-26154","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T00:58:29.087Z"},{"id":"sr-3143a4593e86d29cc5606d53e745d0a9","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2023-26154","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:27:48.610Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 7.4.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"com.pubnub:pubnub-kotlin","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.7.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"com.pubnub:pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 4.6.5"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v7","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 7.2.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 0.0.0-20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v6","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 6.1.1-0.20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v5","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 5.0.4-0.20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"Pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 6.19.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/swift","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 6.2.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.3.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 0.4.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub/pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 6.1.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.3.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.3.0"]}],"null_published_at":"2026-11-06T15:18:11.494Z","source_updated_at":"2026-07-07T17:56:14.430Z","source_disclosed_at":"2023-12-06T06:30:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.679Z"},{"id":"NVI-00002111","kind":"vulnerability","title":"pubnub Insufficient Entropy vulnerability","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-5844-q3fc-56rh","CVE-2023-26154"],"plain_summary":"OSV carries this publisher advisory for pubnub, com.pubnub:pubnub-kotlin, com.pubnub:pubnub, github.com/pubnub/go/v7, github.com/pubnub/go. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 7.4.0 for pubnub. Confirm the publisher’s latest guidance.","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.1.0 for pubnub/pubnub. Confirm the publisher’s latest guidance.","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-66ca9e8aec41374094ffe6220732b3ed"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T05:42:47.943Z","value":"5.9 MEDIUM (3.1)","meaning":"report@snyk.io severity; no combined Null risk score.","source_id":"sr-5326f961f886800a05a4d6f4b91818f9"},{"kind":"CVSS","as_of":"2026-06-17T05:42:47.943Z","value":"5.9 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5326f961f886800a05a4d6f4b91818f9"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.963%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.61676. Missing scores are unknown.","source_id":"sr-66ca9e8aec41374094ffe6220732b3ed"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0b83d3c6e32430be7a4aa3ca0ed9a98a","url":"https://github.com/advisories/GHSA-5844-q3fc-56rh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5844-q3fc-56rh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.679Z"},{"id":"sr-5326f961f886800a05a4d6f4b91818f9","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26154","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2023-26154","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T00:58:29.087Z"},{"id":"sr-66ca9e8aec41374094ffe6220732b3ed","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2023-26154","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 7.4.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"com.pubnub:pubnub-kotlin","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.7.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"com.pubnub:pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 4.6.5"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v7","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 7.2.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 0.0.0-20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v6","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 6.1.1-0.20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v5","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 5.0.4-0.20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"Pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 6.19.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/swift","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 6.2.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.3.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 0.4.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub/pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 6.1.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.3.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.3.0"]}],"null_published_at":"2026-11-02T20:21:10.258Z","source_updated_at":"2026-07-07T17:56:14.430Z","source_disclosed_at":"2023-12-06T06:30:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.679Z"},{"id":"NVI-00002111","kind":"vulnerability","title":"pubnub Insufficient Entropy vulnerability","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5844-q3fc-56rh","CVE-2023-26154"],"plain_summary":"OSV carries this publisher advisory for pubnub, com.pubnub:pubnub-kotlin, com.pubnub:pubnub, github.com/pubnub/go/v7, github.com/pubnub/go. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 7.4.0 for pubnub. Confirm the publisher’s latest guidance.","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.1.0 for pubnub/pubnub. Confirm the publisher’s latest guidance.","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-66ca9e8aec41374094ffe6220732b3ed"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.963%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.61676. Missing scores are unknown.","source_id":"sr-66ca9e8aec41374094ffe6220732b3ed"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0b83d3c6e32430be7a4aa3ca0ed9a98a","url":"https://github.com/advisories/GHSA-5844-q3fc-56rh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5844-q3fc-56rh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.679Z"},{"id":"sr-66ca9e8aec41374094ffe6220732b3ed","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2023-26154","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 7.4.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"com.pubnub:pubnub-kotlin","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.7.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"com.pubnub:pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 4.6.5"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v7","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 7.2.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 0.0.0-20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v6","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 6.1.1-0.20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v5","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 5.0.4-0.20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"Pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 6.19.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/swift","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 6.2.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.3.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 0.4.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub/pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 6.1.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.3.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.3.0"]}],"null_published_at":"2026-11-01T01:45:38.555Z","source_updated_at":"2026-07-07T17:56:14.430Z","source_disclosed_at":"2023-12-06T06:30:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.679Z"},{"id":"NVI-00002111","kind":"vulnerability","title":"pubnub Insufficient Entropy vulnerability","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5844-q3fc-56rh","CVE-2023-26154"],"plain_summary":"OSV carries this publisher advisory for pubnub, com.pubnub:pubnub-kotlin, com.pubnub:pubnub, github.com/pubnub/go/v7, github.com/pubnub/go. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 7.4.0 for pubnub. Confirm the publisher’s latest guidance.","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.1.0 for pubnub/pubnub. Confirm the publisher’s latest guidance.","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0b83d3c6e32430be7a4aa3ca0ed9a98a","url":"https://github.com/advisories/GHSA-5844-q3fc-56rh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5844-q3fc-56rh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.679Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 7.4.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"com.pubnub:pubnub-kotlin","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.7.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"com.pubnub:pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 4.6.5"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v7","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 7.2.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 0.0.0-20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v6","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 6.1.1-0.20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/go/v5","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 5.0.4-0.20231016150651-428517fef5b9"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"Pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 6.19.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"github.com/pubnub/swift","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 6.2.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.3.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["SEMVER: introduced 0; fixed 0.4.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub/pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 6.1.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.3.0"]},{"certainty":"source_listed","source_ids":["sr-0b83d3c6e32430be7a4aa3ca0ed9a98a"],"technology":"pubnub","known_exclusions":[],"conditions_summary":"Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions of the package pubnub before 7.3.0; versions of the package pubnub/pubnub before 6.1.0; versions of the package pubnub before 5.3.0; versions of the package pubnub before 0.4.0; versions of the package pubnub/c-core before 4.5.0; versions of the package com.pubnub:pubnub-kotlin before 7.7.0; versions of the package pubnub/swift before 6.2.0; versions of the package pubnub before 5.2.0; versions of the package pubnub before 4.3.0 are vulnerable to Insufficient Entropy via the getKey function, due to inefficient implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt function is less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\n**Note:**\n\nIn order to exploit this vulnerability, the attacker needs to invest resources in preparing the attack and brute-force the encryption.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.3.0"]}],"null_published_at":"2026-10-31T21:53:28.065Z","source_updated_at":"2026-07-07T17:56:14.430Z","source_disclosed_at":"2023-12-06T06:30:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:41:49.679Z"}],"next_cursor":null,"snapshot_revision":"42594"}