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GHSA-83c4-ffjp-mxp9

Keycloak: Revoked Tokens Can Remain Active When Both Realm-Level and Client-Level `notBefore` Revocation Policies are Configured

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-8922

Packages

EcosystemPackageAffectedFixed in
Maven org.keycloak:keycloak-services <= 26.6.2 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

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 This allows tokens that should have been revoked to remain active, potentially leading to unauthorized access or continued session validity.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.

References

External links from the advisory. They lead to third-party sites.