Moderate: Red Hat Security Advisory: Red Hat build of Keycloak 26.2.9 Security Update

New Red Hat build of Keycloak 26.2.9 packages are available from the Customer Portal 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...

CVE-2025-10044

CVE-2025-10044 affects Keycloak: error_description injection on error pages allows arbitrary text to be rendered in the UI, enabling phishing-like messages (e.g., fake support numbers/URLs) without XSS. The issue is mitigated by HTML encoding but still enables deceptive content within the trusted...

CVE-2025-10044 Keycloak: keycloak error_description injection on error pages

A flaw was found in Keycloak. Keycloak’s account console and other pages accept arbitrary text in the errordescription query parameter. This text is directly rendered in error pages without validation or sanitization. While HTML encoding prevents XSS, an attacker can craft URLs with misleading...