{"id":"EM-20261105-O308","url":"https://cyber.eventmonitor.net/incident/EM-20261105-O308/keycloak-services-vulnerability-cve-2026-97847/","type":"cve","title":"keycloak-services Vulnerability (CVE-2026-97847)","subtitle":"CVE-2026-97847","subject":"CVE-2026-97847","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-05T18:17:11.840Z","firstSignal":"2026-11-05T00:00:00.000Z","lastSignal":"2026-11-05T18:17:11.840Z","updated":"2026-11-06T00:58:29.349Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T18:17:11.840Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-05T18:17:11.840Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T00:00:00.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-05T18:17:11.840Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261105-O308 created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T18:17:11.840Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T18:17:11.840Z","detail":"CVSS 7.1"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T00:00:00.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T00:00:00.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-97847 (important)","text":"keycloak-services: keycloak-services: Client manager can substitute sessionless token principal via hardcoded-claim mappers to obtain realm administrator authority","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-97847.json"},{"at":"2026-11-05T18:17:11.840Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-97847 (CVSS 7.1)","text":"A flaw was found in the protocol mapper and identity resolution components of Keycloak. The issue occurs when a client manager uses hardcoded-claim mappers to override identity claims in sessionless service-account tokens. Because these tokens lack a session ID, Keycloak may incorrectly resolve the token bearer as a different, highly privileged user based on the manipulated claims. This can allow an attacker with limited client management permissions to impersonate a realm administrator and gain full control over the realm.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97847"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T18:17:11.840","score":7.1,"severity":"HIGH","desc":"A flaw was found in the protocol mapper and identity resolution components of Keycloak. The issue occurs when a client manager uses hardcoded-claim mappers to override identity claims in sessionless service-account tokens. Because these tokens lack a session ID, Keycloak may incorrectly resolve the ","product":"","seen":1793913029679},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}