Keycloak 26.5.3 (security update)

The release 26.5.3 of Keycloak is available on Clever Cloud. It fixes bugs, reduces memory consumption during startup and addresses four security vulnerabilities: CVE-2026-1609, CVE-2026-1529, CVE-2026-1486 and CVE-2025-14778.

You can update through the add-on’s dashboard in the Clever Cloud Console. You can also set CC_KEYCLOAK_VERSION of the underlying Java application to 26.5.3 and rebuild it, or use Clever Tools:

clever features enable operators

clever keycloak version check yourKeycloakNameOrId
clever keycloak version update yourKeycloakNameOrId
clever keycloak version update yourKeycloakNameOrId 26.5.3

• Learn more about Keycloak on Clever Cloud