CVE-2026-8922: Red Hat Build Of Keycloak

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A flaw was found in Keycloak. When both realm-level and client-level `notBefore` revocation policies are configured, Keycloak's OpenID Connect (OIDC) Introspection feature fails to properly honor the realm-level policy. This allows tokens that should have been revoked to remain active, potentially leading to unauthorized access or continued session validity. This could impact the security of systems utilizing Keycloak for identity and access management.

Affected products

• Red Hat Build Of Keycloak: affected versions not specified

Published 2026-05-19. Last modified 2026-07-23.