Issued:
2025-11-13
Updated:
2025-11-13

RHSA-2025:21370 - Moderate: Red Hat build of Keycloak 26.4.4 Security Update

Synopsis

Moderate: Red Hat build of Keycloak 26.4.4 Security Update

Type/Severity

Security Advisory Moderate

Topic

New Red Hat build of Keycloak 26.4.4 packages are available from the Customer Portal

Description

Red Hat build of Keycloak 26.4.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.

Security fixes:

  • Unable to restrict access to the admin console (CVE-2025-10939) * Debug default bind address (CVE-2025-11538)
  • User can refresh offline session even after client's offline_access scope was removed (CVE-2025-12110)
  • WebAuthn Attestation Statement Verification Bypass (CVE-2025-12150)
  • Offline Session takeover due to reused Authentication Session ID (CVE-2025-12390)

Solution

Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

Affected Products

ProductVersionArch
Red Hat build of KeycloakText-only Advisoriesx86_64

Fixes

(none)

CVEs

References

Additional information