{"items":[{"id":"NVI-00008926","kind":"vulnerability","title":"OpenAM Account Takeover via Unverified Password Change in OAuth2 Module","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-gf57-4mp6-m85x","CVE-2026-46623"],"plain_summary":"GitHub lists this reviewed advisory for org.openidentityplatform.openam:openam-auth-oauth2. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0955147f55716fa65f84e2d34a1ab297"],"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":"2026-09-23T18:19:19.803Z","value":"7.4 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-7a579f320ed09cd687d7a31426b4fbbe"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.669%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.52071. Missing scores are unknown.","source_id":"sr-0955147f55716fa65f84e2d34a1ab297"}],"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-331e9760d08d0b8a3fde54d1626cd06f","url":"https://github.com/advisories/GHSA-gf57-4mp6-m85x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gf57-4mp6-m85x","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-7a579f320ed09cd687d7a31426b4fbbe","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46623","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-46623","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T22:35:28.075Z"},{"id":"sr-0955147f55716fa65f84e2d34a1ab297","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-2026-46623","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.328Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-331e9760d08d0b8a3fde54d1626cd06f"],"technology":"org.openidentityplatform.openam:openam-auth-oauth2","known_exclusions":[],"conditions_summary":"## Summary\n\n**Description**\n\nAn Unverified Password Change (CWE-620) and Use of Weak Credentials (CWE-1391) issue in OpenAM's OAuth2 authentication module silently rewrites a local user's password to the literal string of their username on OAuth2 re-login of an existing account. The default ldapService chain then accepts the username as the password for that user, allowing an unauthenticated attacker to obtain a session via the standard authenticate endpoint with both username and password set to the username, without any IdP interaction. This affects OpenAM Community Edition through version 16.0.6 and was patched in version 16.1.1.\n\n## Impact\nOpenAM Community Edition deployments through version 16.0.6 that use the OAuth2 authentication module with account creation enabled (the default) are potentially affected. After two OAuth logins of a given user, that user's local password becomes their username, and the account is reachable through the default ldapService chain with username as both identifier and password. For pre-existing users whose IdP profile resolves against an existing local identifier, the rewrite fires on the very first re-login.\n\nUsernames shorter than the default m","public_affected_ranges":["< 16.1.1"]}],"null_published_at":"2026-11-08T15:11:49.360Z","source_updated_at":"2026-10-28T15:28:55.000Z","source_disclosed_at":"2026-06-26T17:33:35.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:36.327Z"},{"id":"NVI-00008926","kind":"vulnerability","title":"OpenAM Account Takeover via Unverified Password Change in OAuth2 Module","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gf57-4mp6-m85x","CVE-2026-46623"],"plain_summary":"GitHub lists this reviewed advisory for org.openidentityplatform.openam:openam-auth-oauth2. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0955147f55716fa65f84e2d34a1ab297"],"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":"2026-11-04T12:03:12.000Z","value":"0.669%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.52071. Missing scores are unknown.","source_id":"sr-0955147f55716fa65f84e2d34a1ab297"}],"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-331e9760d08d0b8a3fde54d1626cd06f","url":"https://github.com/advisories/GHSA-gf57-4mp6-m85x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gf57-4mp6-m85x","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-0955147f55716fa65f84e2d34a1ab297","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-2026-46623","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.328Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-331e9760d08d0b8a3fde54d1626cd06f"],"technology":"org.openidentityplatform.openam:openam-auth-oauth2","known_exclusions":[],"conditions_summary":"## Summary\n\n**Description**\n\nAn Unverified Password Change (CWE-620) and Use of Weak Credentials (CWE-1391) issue in OpenAM's OAuth2 authentication module silently rewrites a local user's password to the literal string of their username on OAuth2 re-login of an existing account. The default ldapService chain then accepts the username as the password for that user, allowing an unauthenticated attacker to obtain a session via the standard authenticate endpoint with both username and password set to the username, without any IdP interaction. This affects OpenAM Community Edition through version 16.0.6 and was patched in version 16.1.1.\n\n## Impact\nOpenAM Community Edition deployments through version 16.0.6 that use the OAuth2 authentication module with account creation enabled (the default) are potentially affected. After two OAuth logins of a given user, that user's local password becomes their username, and the account is reachable through the default ldapService chain with username as both identifier and password. For pre-existing users whose IdP profile resolves against an existing local identifier, the rewrite fires on the very first re-login.\n\nUsernames shorter than the default m","public_affected_ranges":["< 16.1.1"]}],"null_published_at":"2026-11-06T07:24:11.291Z","source_updated_at":"2026-10-28T15:28:55.000Z","source_disclosed_at":"2026-06-26T17:33:35.000Z","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":"2026-10-31T21:56:36.327Z"},{"id":"NVI-00008926","kind":"vulnerability","title":"OpenAM Account Takeover via Unverified Password Change in OAuth2 Module","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gf57-4mp6-m85x","CVE-2026-46623"],"plain_summary":"GitHub lists this reviewed advisory for org.openidentityplatform.openam:openam-auth-oauth2. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5cff03d50c98e6c891c355adc591dec1"],"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":"0.669%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.5197. Missing scores are unknown.","source_id":"sr-5cff03d50c98e6c891c355adc591dec1"}],"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-331e9760d08d0b8a3fde54d1626cd06f","url":"https://github.com/advisories/GHSA-gf57-4mp6-m85x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gf57-4mp6-m85x","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-5cff03d50c98e6c891c355adc591dec1","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-2026-46623","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.379Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-331e9760d08d0b8a3fde54d1626cd06f"],"technology":"org.openidentityplatform.openam:openam-auth-oauth2","known_exclusions":[],"conditions_summary":"## Summary\n\n**Description**\n\nAn Unverified Password Change (CWE-620) and Use of Weak Credentials (CWE-1391) issue in OpenAM's OAuth2 authentication module silently rewrites a local user's password to the literal string of their username on OAuth2 re-login of an existing account. The default ldapService chain then accepts the username as the password for that user, allowing an unauthenticated attacker to obtain a session via the standard authenticate endpoint with both username and password set to the username, without any IdP interaction. This affects OpenAM Community Edition through version 16.0.6 and was patched in version 16.1.1.\n\n## Impact\nOpenAM Community Edition deployments through version 16.0.6 that use the OAuth2 authentication module with account creation enabled (the default) are potentially affected. After two OAuth logins of a given user, that user's local password becomes their username, and the account is reachable through the default ldapService chain with username as both identifier and password. For pre-existing users whose IdP profile resolves against an existing local identifier, the rewrite fires on the very first re-login.\n\nUsernames shorter than the default m","public_affected_ranges":["< 16.1.1"]}],"null_published_at":"2026-11-01T01:45:38.526Z","source_updated_at":"2026-10-28T15:28:55.000Z","source_disclosed_at":"2026-06-26T17:33:35.000Z","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":"2026-10-31T21:56:36.327Z"},{"id":"NVI-00008926","kind":"vulnerability","title":"OpenAM Account Takeover via Unverified Password Change in OAuth2 Module","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gf57-4mp6-m85x","CVE-2026-46623"],"plain_summary":"GitHub lists this reviewed advisory for org.openidentityplatform.openam:openam-auth-oauth2. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-331e9760d08d0b8a3fde54d1626cd06f"],"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":[],"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-331e9760d08d0b8a3fde54d1626cd06f","url":"https://github.com/advisories/GHSA-gf57-4mp6-m85x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gf57-4mp6-m85x","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-331e9760d08d0b8a3fde54d1626cd06f"],"technology":"org.openidentityplatform.openam:openam-auth-oauth2","known_exclusions":[],"conditions_summary":"## Summary\n\n**Description**\n\nAn Unverified Password Change (CWE-620) and Use of Weak Credentials (CWE-1391) issue in OpenAM's OAuth2 authentication module silently rewrites a local user's password to the literal string of their username on OAuth2 re-login of an existing account. The default ldapService chain then accepts the username as the password for that user, allowing an unauthenticated attacker to obtain a session via the standard authenticate endpoint with both username and password set to the username, without any IdP interaction. This affects OpenAM Community Edition through version 16.0.6 and was patched in version 16.1.1.\n\n## Impact\nOpenAM Community Edition deployments through version 16.0.6 that use the OAuth2 authentication module with account creation enabled (the default) are potentially affected. After two OAuth logins of a given user, that user's local password becomes their username, and the account is reachable through the default ldapService chain with username as both identifier and password. For pre-existing users whose IdP profile resolves against an existing local identifier, the rewrite fires on the very first re-login.\n\nUsernames shorter than the default m","public_affected_ranges":["< 16.1.1"]}],"null_published_at":"2026-10-31T22:13:27.123Z","source_updated_at":"2026-10-28T15:28:55.000Z","source_disclosed_at":"2026-06-26T17:33:35.000Z","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":"2026-10-31T21:56:36.327Z"}],"next_cursor":null,"snapshot_revision":"42594"}