{"items":[{"id":"NVI-00007399","kind":"vulnerability","title":"Guzzle OAuth Subscriber has insufficient nonce entropy","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-237r-r8m4-4q88","CVE-2025-21617"],"plain_summary":"OSV carries this publisher advisory for guzzlehttp/oauth-subscriber. 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 0.8.1 for guzzlehttp/oauth-subscriber. Confirm the publisher’s latest guidance.","source_ids":["sr-da2cf1b9d78f82cd24e191680673d992"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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This report has not examined your application.","related_sources":[{"id":"sr-da2cf1b9d78f82cd24e191680673d992","url":"https://github.com/advisories/GHSA-237r-r8m4-4q88","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-237r-r8m4-4q88","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.008Z"},{"id":"sr-8f9c878affc06b71c83e42c123d8fd2c","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21617","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-21617","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:39:15.478Z"},{"id":"sr-06ea370591b14ca2b95ed0a933bba695","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-2025-21617","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.300Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-da2cf1b9d78f82cd24e191680673d992"],"technology":"guzzlehttp/oauth-subscriber","known_exclusions":[],"conditions_summary":"### Impact\n\nNonce generation does not use sufficient entropy nor a cryptographically secure pseudorandom source (https://github.com/guzzle/oauth-subscriber/blob/0.8.0/src/Oauth1.php#L192). This can leave servers vulnerable to replay attacks when TLS is not used.\n\n### Patches\n\nUpgrade to version 0.8.1 or higher.\n\n### Workarounds\n\nNo.\n\n### References\n\nIssue is similar to https://nvd.nist.gov/vuln/detail/CVE-2025-22376.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 0.8.1"]}],"null_published_at":"2026-11-06T07:24:11.270Z","source_updated_at":"2026-07-15T22:00:51.159Z","source_disclosed_at":"2025-01-06T19:23:26.000Z","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":"2026-10-31T21:41:40.008Z"},{"id":"NVI-00007399","kind":"vulnerability","title":"Guzzle OAuth Subscriber has insufficient nonce entropy","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-237r-r8m4-4q88","CVE-2025-21617"],"plain_summary":"OSV carries this publisher advisory for guzzlehttp/oauth-subscriber. 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 0.8.1 for guzzlehttp/oauth-subscriber. Confirm the publisher’s latest guidance.","source_ids":["sr-da2cf1b9d78f82cd24e191680673d992"],"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-8a4b1f82f45153020295db2cd660b1b5"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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This report has not examined your application.","related_sources":[{"id":"sr-da2cf1b9d78f82cd24e191680673d992","url":"https://github.com/advisories/GHSA-237r-r8m4-4q88","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-237r-r8m4-4q88","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.008Z"},{"id":"sr-8f9c878affc06b71c83e42c123d8fd2c","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21617","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-21617","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:39:15.478Z"},{"id":"sr-8a4b1f82f45153020295db2cd660b1b5","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-2025-21617","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.370Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-da2cf1b9d78f82cd24e191680673d992"],"technology":"guzzlehttp/oauth-subscriber","known_exclusions":[],"conditions_summary":"### Impact\n\nNonce generation does not use sufficient entropy nor a cryptographically secure pseudorandom source (https://github.com/guzzle/oauth-subscriber/blob/0.8.0/src/Oauth1.php#L192). This can leave servers vulnerable to replay attacks when TLS is not used.\n\n### Patches\n\nUpgrade to version 0.8.1 or higher.\n\n### Workarounds\n\nNo.\n\n### References\n\nIssue is similar to https://nvd.nist.gov/vuln/detail/CVE-2025-22376.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 0.8.1"]}],"null_published_at":"2026-11-04T18:04:03.196Z","source_updated_at":"2026-07-15T22:00:51.159Z","source_disclosed_at":"2025-01-06T19:23:26.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:40.008Z"},{"id":"NVI-00007399","kind":"vulnerability","title":"Guzzle OAuth Subscriber has insufficient nonce entropy","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-237r-r8m4-4q88","CVE-2025-21617"],"plain_summary":"OSV carries this publisher advisory for guzzlehttp/oauth-subscriber. 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 0.8.1 for guzzlehttp/oauth-subscriber. Confirm the publisher’s latest guidance.","source_ids":["sr-da2cf1b9d78f82cd24e191680673d992"],"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-8a4b1f82f45153020295db2cd660b1b5"],"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":"0.479%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.41367. Missing scores are unknown.","source_id":"sr-8a4b1f82f45153020295db2cd660b1b5"}],"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-da2cf1b9d78f82cd24e191680673d992","url":"https://github.com/advisories/GHSA-237r-r8m4-4q88","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-237r-r8m4-4q88","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.008Z"},{"id":"sr-8a4b1f82f45153020295db2cd660b1b5","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-2025-21617","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.370Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-da2cf1b9d78f82cd24e191680673d992"],"technology":"guzzlehttp/oauth-subscriber","known_exclusions":[],"conditions_summary":"### Impact\n\nNonce generation does not use sufficient entropy nor a cryptographically secure pseudorandom source (https://github.com/guzzle/oauth-subscriber/blob/0.8.0/src/Oauth1.php#L192). This can leave servers vulnerable to replay attacks when TLS is not used.\n\n### Patches\n\nUpgrade to version 0.8.1 or higher.\n\n### Workarounds\n\nNo.\n\n### References\n\nIssue is similar to https://nvd.nist.gov/vuln/detail/CVE-2025-22376.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 0.8.1"]}],"null_published_at":"2026-11-03T02:33:09.129Z","source_updated_at":"2026-07-15T22:00:51.159Z","source_disclosed_at":"2025-01-06T19:23:26.000Z","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":"2026-10-31T21:41:40.008Z"},{"id":"NVI-00007399","kind":"vulnerability","title":"Guzzle OAuth Subscriber has insufficient nonce entropy","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-237r-r8m4-4q88","CVE-2025-21617"],"plain_summary":"OSV carries this publisher advisory for guzzlehttp/oauth-subscriber. 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 0.8.1 for guzzlehttp/oauth-subscriber. Confirm the publisher’s latest guidance.","source_ids":["sr-da2cf1b9d78f82cd24e191680673d992"],"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-da2cf1b9d78f82cd24e191680673d992","url":"https://github.com/advisories/GHSA-237r-r8m4-4q88","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-237r-r8m4-4q88","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.008Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-da2cf1b9d78f82cd24e191680673d992"],"technology":"guzzlehttp/oauth-subscriber","known_exclusions":[],"conditions_summary":"### Impact\n\nNonce generation does not use sufficient entropy nor a cryptographically secure pseudorandom source (https://github.com/guzzle/oauth-subscriber/blob/0.8.0/src/Oauth1.php#L192). This can leave servers vulnerable to replay attacks when TLS is not used.\n\n### Patches\n\nUpgrade to version 0.8.1 or higher.\n\n### Workarounds\n\nNo.\n\n### References\n\nIssue is similar to https://nvd.nist.gov/vuln/detail/CVE-2025-22376.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 0.8.1"]}],"null_published_at":"2026-10-31T22:13:14.335Z","source_updated_at":"2026-07-15T22:00:51.159Z","source_disclosed_at":"2025-01-06T19:23:26.000Z","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":"2026-10-31T21:41:40.008Z"}],"next_cursor":null,"snapshot_revision":"42594"}