CVE-2026-4629

A flaw was found in Keycloak. A highly privileged user with manage-clients permission can exploit this vulnerability by injecting a hardcoded role mapper into any client. This action allows the user to bypass existing scope restrictions and inject the realm-admin role into generated tokens,...

CVE-2026-9099

Keycloak contains a flaw in GroupResource.addChild() in the Admin REST API where missing authorization allows an authenticated user with limited admin privileges to reparent any group. Under FGAPv2, a manager of a low-privilege group can reparent a highly privileged group (e.g., realm-admin) unde...

CVE-2026-11577

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CVE-2026-9796 Keycloak: keycloak: privilege escalation via time-of-check to time-of-use (toctou) vulnerability

A flaw was found in Keycloak. An authenticated administrator with the manage-clients role can exploit a Time-of-check to time-of-use TOCTOU vulnerability in the name-based admin role checks. This allows the attacker to escalate their privileges to realm-admin for all users within the realm,...

CVE-2026-9796

A flaw was found in Keycloak. An authenticated administrator with the manage-clients role can exploit a Time-of-check to time-of-use TOCTOU vulnerability in the name-based admin role checks. This allows the attacker to escalate their privileges to realm-admin for all users within the realm,...

CVE-2025-13467

A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration...

CVE-2025-13467

A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration. Mitigation Mitigation for this issue is either not available or the...

GHSA-27GP-8389-HM4W Keycloak Privilege Escalation Vulnerability in Admin Console (FGAPv2 Enabled)

A Privilege Escalation vulnerability was identified in the Keycloak identity and access management solution, specifically when FGAPv2 is enabled in version 26.2.x. The flaw lies in the admin permission enforcement logic, where a user with manage-users privileges can self-assign realm-admin rights...