{"items":[{"id":"NVI-00008333","kind":"vulnerability","title":"xmlseclibs: Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption","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-4v26-v6cg-g6f9","CVE-2026-32313"],"plain_summary":"OSV carries this publisher advisory for robrichards/xmlseclibs. 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 3.1.5 for robrichards/xmlseclibs. Confirm the publisher’s latest guidance.","source_ids":["sr-ff710fb8c481a2e68d368c052ff7491d"],"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-5d8ef8888464657201896e87cb54baa1"],"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":"2026-06-17T10:35:32.813Z","value":"8.2 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-4eaecc18d9e0115b75efa17d9ef19ec7"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.158%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.04952. Missing scores are unknown.","source_id":"sr-5d8ef8888464657201896e87cb54baa1"}],"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-ff710fb8c481a2e68d368c052ff7491d","url":"https://github.com/advisories/GHSA-4v26-v6cg-g6f9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v26-v6cg-g6f9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"},{"id":"sr-4eaecc18d9e0115b75efa17d9ef19ec7","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32313","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-32313","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T22:34:42.177Z"},{"id":"sr-5d8ef8888464657201896e87cb54baa1","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-2026-32313","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ff710fb8c481a2e68d368c052ff7491d"],"technology":"robrichards/xmlseclibs","known_exclusions":[],"conditions_summary":"### Summary\nXML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length.\nAn attacker can use this to brute-force an authentication tag, recover the GHASH key, and decrypt the encrypted nodes.\nIt also allows to forge arbitrary ciphertexts without knowing the encryption key.\n\n### Details\nWhen decrypting with either aes-128-gcm, aes-192-gcm, or aes-256-gcm here, the `$authTag` is set from a `substr()`, but never has its length validated (it should be validated with something like `strlen($authTag) == self::AUTHTAG_LENGTH`).\nFor that reason, a shorter than expected data blob will allow for the `$authTag` to have as short a tag as only one byte (see [PHP's documentation](https://www.php.net/manual/en/function.openssl-decrypt.php#:~:text=The%20length%20of%20the%20tag%20is%20not%20checked%20by%20the%20function.%20It%20is%20the%20caller%27s%20responsibility%20to%20ensure%20that%20the%20length%20of%","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.1.5"]}],"null_published_at":"2026-11-05T19:10:23.259Z","source_updated_at":"2026-09-10T03:50:37.280Z","source_disclosed_at":"2026-03-13T20:04:21.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.673Z"},{"id":"NVI-00008333","kind":"vulnerability","title":"xmlseclibs: Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4v26-v6cg-g6f9","CVE-2026-32313"],"plain_summary":"OSV carries this publisher advisory for robrichards/xmlseclibs. 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 3.1.5 for robrichards/xmlseclibs. Confirm the publisher’s latest guidance.","source_ids":["sr-ff710fb8c481a2e68d368c052ff7491d"],"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-5d8ef8888464657201896e87cb54baa1"],"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":"0.158%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.04952. Missing scores are unknown.","source_id":"sr-5d8ef8888464657201896e87cb54baa1"}],"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-ff710fb8c481a2e68d368c052ff7491d","url":"https://github.com/advisories/GHSA-4v26-v6cg-g6f9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v26-v6cg-g6f9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"},{"id":"sr-5d8ef8888464657201896e87cb54baa1","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-2026-32313","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ff710fb8c481a2e68d368c052ff7491d"],"technology":"robrichards/xmlseclibs","known_exclusions":[],"conditions_summary":"### Summary\nXML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length.\nAn attacker can use this to brute-force an authentication tag, recover the GHASH key, and decrypt the encrypted nodes.\nIt also allows to forge arbitrary ciphertexts without knowing the encryption key.\n\n### Details\nWhen decrypting with either aes-128-gcm, aes-192-gcm, or aes-256-gcm here, the `$authTag` is set from a `substr()`, but never has its length validated (it should be validated with something like `strlen($authTag) == self::AUTHTAG_LENGTH`).\nFor that reason, a shorter than expected data blob will allow for the `$authTag` to have as short a tag as only one byte (see [PHP's documentation](https://www.php.net/manual/en/function.openssl-decrypt.php#:~:text=The%20length%20of%20the%20tag%20is%20not%20checked%20by%20the%20function.%20It%20is%20the%20caller%27s%20responsibility%20to%20ensure%20that%20the%20length%20of%","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.1.5"]}],"null_published_at":"2026-11-01T01:45:38.527Z","source_updated_at":"2026-09-10T03:50:37.280Z","source_disclosed_at":"2026-03-13T20:04:21.000Z","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":"2026-10-31T21:41:49.673Z"},{"id":"NVI-00008333","kind":"vulnerability","title":"xmlseclibs: Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4v26-v6cg-g6f9","CVE-2026-32313"],"plain_summary":"OSV carries this publisher advisory for robrichards/xmlseclibs. 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 3.1.5 for robrichards/xmlseclibs. Confirm the publisher’s latest guidance.","source_ids":["sr-ff710fb8c481a2e68d368c052ff7491d"],"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-ff710fb8c481a2e68d368c052ff7491d","url":"https://github.com/advisories/GHSA-4v26-v6cg-g6f9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v26-v6cg-g6f9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ff710fb8c481a2e68d368c052ff7491d"],"technology":"robrichards/xmlseclibs","known_exclusions":[],"conditions_summary":"### Summary\nXML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length.\nAn attacker can use this to brute-force an authentication tag, recover the GHASH key, and decrypt the encrypted nodes.\nIt also allows to forge arbitrary ciphertexts without knowing the encryption key.\n\n### Details\nWhen decrypting with either aes-128-gcm, aes-192-gcm, or aes-256-gcm here, the `$authTag` is set from a `substr()`, but never has its length validated (it should be validated with something like `strlen($authTag) == self::AUTHTAG_LENGTH`).\nFor that reason, a shorter than expected data blob will allow for the `$authTag` to have as short a tag as only one byte (see [PHP's documentation](https://www.php.net/manual/en/function.openssl-decrypt.php#:~:text=The%20length%20of%20the%20tag%20is%20not%20checked%20by%20the%20function.%20It%20is%20the%20caller%27s%20responsibility%20to%20ensure%20that%20the%20length%20of%","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.1.5"]}],"null_published_at":"2026-10-31T22:13:22.840Z","source_updated_at":"2026-09-10T03:50:37.280Z","source_disclosed_at":"2026-03-13T20:04:21.000Z","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":"2026-10-31T21:41:49.673Z"}],"next_cursor":null,"snapshot_revision":"42594"}