{"items":[{"id":"NVI-00010579","kind":"vulnerability","title":"Keycloak's identity-first login flow exposes user information","revision":2,"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-rhgq-f8x5-j2jc","CVE-2026-4633"],"plain_summary":"GitHub lists this reviewed advisory for org.keycloak:keycloak-services, org.keycloak:keycloak-services. 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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":"2026-10-23T00:32:50.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-52ab67bbaa97526f046622c7619aa95d"},{"kind":"CVSS","as_of":"2026-10-22T22:18:07.123Z","value":"3.7 LOW (3.1)","meaning":"secalert@redhat.com severity; no combined Null risk score.","source_id":"sr-01b13f716fcb9e23b49d4ea4cb8a4a22"},{"kind":"CVSS","as_of":"2026-10-22T22:18:07.123Z","value":"3.7 LOW (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-01b13f716fcb9e23b49d4ea4cb8a4a22"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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A remote attacker can exploit differential error messages during the identity-first login flow when Organizations are enabled. This vulnerability allows an attacker to determine the existence of users, leading to information disclosure through user enumeration.","public_affected_ranges":[">= 26.5.0, < 26.6.1"]},{"certainty":"source_listed","source_ids":["sr-52ab67bbaa97526f046622c7619aa95d"],"technology":"org.keycloak:keycloak-services","known_exclusions":[],"conditions_summary":"A flaw was found in Keycloak. A remote attacker can exploit differential error messages during the identity-first login flow when Organizations are enabled. This vulnerability allows an attacker to determine the existence of users, leading to information disclosure through user enumeration.","public_affected_ranges":["< 26.4.12"]}],"null_published_at":"2026-11-04T10:04:35.894Z","source_updated_at":"2026-10-23T00:32:50.000Z","source_disclosed_at":"2026-03-23T12:30:30.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010579","kind":"vulnerability","title":"Keycloak's identity-first login flow exposes user information","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rhgq-f8x5-j2jc","CVE-2026-4633"],"plain_summary":"GitHub lists this reviewed advisory for org.keycloak:keycloak-services, 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-52ab67bbaa97526f046622c7619aa95d"],"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":"2026-10-23T00:32:50.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-52ab67bbaa97526f046622c7619aa95d"}],"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-52ab67bbaa97526f046622c7619aa95d","url":"https://github.com/advisories/GHSA-rhgq-f8x5-j2jc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rhgq-f8x5-j2jc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-52ab67bbaa97526f046622c7619aa95d"],"technology":"org.keycloak:keycloak-services","known_exclusions":[],"conditions_summary":"A flaw was found in Keycloak. A remote attacker can exploit differential error messages during the identity-first login flow when Organizations are enabled. 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This vulnerability allows an attacker to determine the existence of users, leading to information disclosure through user enumeration.","public_affected_ranges":["< 26.4.12"]}],"null_published_at":"2026-10-31T22:27:09.623Z","source_updated_at":"2026-10-23T00:32:50.000Z","source_disclosed_at":"2026-03-23T12:30:30.000Z","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":"2026-10-31T22:07:30.906Z"}],"next_cursor":null,"snapshot_revision":"42594"}