{"items":[{"id":"NVI-00009173","kind":"vulnerability","title":"OpenAM OAuth Client Impersonation via JWKS Resolver Cache","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-f2cx-463q-7m2c","CVE-2026-47426"],"plain_summary":"GitHub lists this reviewed advisory for org.openidentityplatform.openam:openam-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-ac18bb59f940f1fe85da06d141b0e389"],"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":"0.554%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.46259. Missing scores are unknown.","source_id":"sr-ac18bb59f940f1fe85da06d141b0e389"}],"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-dfa8ef1eaf322f31ce22eb7434c1a920","url":"https://github.com/advisories/GHSA-f2cx-463q-7m2c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-f2cx-463q-7m2c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-ac18bb59f940f1fe85da06d141b0e389","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-2026-47426","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.379Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-dfa8ef1eaf322f31ce22eb7434c1a920"],"technology":"org.openidentityplatform.openam:openam-oauth2","known_exclusions":[],"conditions_summary":"## Summary\n\n**Description**\n\nAn Improper Authentication (CWE-287) issue in OpenAM's OAuth2 private_key_jwt client authentication path allows any registered OAuth2 client to mint tokens in the name of any other client whose key is published via a jwks_uri, without knowing the victim's signing key. This affects OpenAM Community Edition through version 16.0.6 and was patched in version 16.1.1.\n\n## Impact\n\nOpenAM Community Edition deployments through version 16.0.6 that have OAuth2 clients configured for private_key_jwt authentication with keys published via jwks_uri are potentially affected. An attacker holding any such client registration, their own, or one obtained through open dynamic client registration where enabled, can mint access tokens in any other such client's name, in any realm hosted by the OpenAM process.\n\n## Patch\nThis has been patched in OpenAM Community Edition version 16.1.1. Users are encouraged to update to the latest release.","public_affected_ranges":["<= 16.0.6"]}],"null_published_at":"2026-11-05T03:52:54.764Z","source_updated_at":"2026-10-28T15:27:43.000Z","source_disclosed_at":"2026-06-29T17:44:37.000Z","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-00009173","kind":"vulnerability","title":"OpenAM OAuth Client Impersonation via JWKS Resolver Cache","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-f2cx-463q-7m2c","CVE-2026-47426"],"plain_summary":"GitHub lists this reviewed advisory for org.openidentityplatform.openam:openam-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-dfa8ef1eaf322f31ce22eb7434c1a920"],"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-dfa8ef1eaf322f31ce22eb7434c1a920","url":"https://github.com/advisories/GHSA-f2cx-463q-7m2c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-f2cx-463q-7m2c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-dfa8ef1eaf322f31ce22eb7434c1a920"],"technology":"org.openidentityplatform.openam:openam-oauth2","known_exclusions":[],"conditions_summary":"## Summary\n\n**Description**\n\nAn Improper Authentication (CWE-287) issue in OpenAM's OAuth2 private_key_jwt client authentication path allows any registered OAuth2 client to mint tokens in the name of any other client whose key is published via a jwks_uri, without knowing the victim's signing key. This affects OpenAM Community Edition through version 16.0.6 and was patched in version 16.1.1.\n\n## Impact\n\nOpenAM Community Edition deployments through version 16.0.6 that have OAuth2 clients configured for private_key_jwt authentication with keys published via jwks_uri are potentially affected. An attacker holding any such client registration, their own, or one obtained through open dynamic client registration where enabled, can mint access tokens in any other such client's name, in any realm hosted by the OpenAM process.\n\n## Patch\nThis has been patched in OpenAM Community Edition version 16.1.1. Users are encouraged to update to the latest release.","public_affected_ranges":["<= 16.0.6"]}],"null_published_at":"2026-10-31T22:13:31.288Z","source_updated_at":"2026-10-28T15:27:43.000Z","source_disclosed_at":"2026-06-29T17:44:37.000Z","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"}