- Issued:
- 2025-09-22
- Updated:
- 2025-09-22
RHSA-2025:16399 - Security Advisory
Synopsis
Moderate: Red Hat build of Keycloak 26.2.9 Security Update
Type/Severity
Security Advisory: Moderate
Topic
New Red Hat build of Keycloak 26.2.9 packages are available from the Customer Portal
Description
Red Hat build of Keycloak 26.2.9 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:
- Variable injection into environment variables (CVE-2025-9162)
- Incomplete fix of CVE-2024-10492 (CVE-2025-10043)
- Keycloak error_description injection on error pages (CVE-2025-10044)
Solution
Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.
Affected Products
- Red Hat build of Keycloak Text-only Advisories x86_64
Fixes
(none)The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.