{"items":[{"id":"NVI-00015129","kind":"vulnerability","title":"Keycloak has an Improper Verification of Cryptographic Signature issue","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p3v8-fm5p-v84h","CVE-2026-9793"],"plain_summary":"GitHub lists this reviewed advisory for org.keycloak:keycloak-services. 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-2048f1f39a1a0385bc0e6ba673b27aef"],"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":"2026-08-05T18:31:21.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-281b997c9b3f7a05560079e7057e88b3"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.163%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.05587. Missing scores are unknown.","source_id":"sr-2048f1f39a1a0385bc0e6ba673b27aef"}],"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-281b997c9b3f7a05560079e7057e88b3","url":"https://github.com/advisories/GHSA-p3v8-fm5p-v84h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p3v8-fm5p-v84h","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:09.980Z"},{"id":"sr-2048f1f39a1a0385bc0e6ba673b27aef","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-2026-9793","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.089Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-281b997c9b3f7a05560079e7057e88b3"],"technology":"org.keycloak:keycloak-services","known_exclusions":[],"conditions_summary":"A flaw was found in Keycloak. When a JSON Web Encryption (JWE) encrypted request object is submitted, Keycloak may incorrectly process unsigned claims if the decrypted content is raw JSON, bypassing the configured signature policy. This allows a remote attacker to submit unauthorized claims, leading to a compromise of data integrity within the OpenID Connect (OIDC) authorization flow. While a redirect URI allowlist acts as a compensating control, this vulnerability violates OIDC Core and Financial-grade API (FAPI) signing requirements.","public_affected_ranges":["<= 26.6.4"]}],"null_published_at":"2026-11-07T14:01:55.425Z","source_updated_at":"2026-08-05T18:31:21.000Z","source_disclosed_at":"2026-05-28T06:31:09.000Z","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":"2026-11-03T09:58:09.980Z"},{"id":"NVI-00015129","kind":"vulnerability","title":"Keycloak has an Improper Verification of Cryptographic Signature issue","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p3v8-fm5p-v84h","CVE-2026-9793"],"plain_summary":"GitHub lists this reviewed advisory for org.keycloak:keycloak-services. 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-281b997c9b3f7a05560079e7057e88b3"],"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":"2026-08-05T18:31:21.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-281b997c9b3f7a05560079e7057e88b3"}],"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-281b997c9b3f7a05560079e7057e88b3","url":"https://github.com/advisories/GHSA-p3v8-fm5p-v84h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p3v8-fm5p-v84h","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:09.980Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-281b997c9b3f7a05560079e7057e88b3"],"technology":"org.keycloak:keycloak-services","known_exclusions":[],"conditions_summary":"A flaw was found in Keycloak. When a JSON Web Encryption (JWE) encrypted request object is submitted, Keycloak may incorrectly process unsigned claims if the decrypted content is raw JSON, bypassing the configured signature policy. This allows a remote attacker to submit unauthorized claims, leading to a compromise of data integrity within the OpenID Connect (OIDC) authorization flow. While a redirect URI allowlist acts as a compensating control, this vulnerability violates OIDC Core and Financial-grade API (FAPI) signing requirements.","public_affected_ranges":["<= 26.6.4"]}],"null_published_at":"2026-11-03T10:03:26.552Z","source_updated_at":"2026-08-05T18:31:21.000Z","source_disclosed_at":"2026-05-28T06:31:09.000Z","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":"2026-11-03T09:58:09.980Z"}],"next_cursor":null,"snapshot_revision":"42594"}