Keycloak < 26.5.3 Multiple Vulnerabilities

Keycloak versions installed prior to 26.5.3 are affected by multiple vulnerabilities as referenced in the advisory. - A flaw in Keycloak where the JSON Web Token JWT authorization grant preview feature fails to validate a user's disabled status during JWT authorization grant processing. When this...

CVE-2026-1486 Org.keycloak.protocol.oidc.grants: disabled identity providers are still accepted for jwt authorization grant

A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider IdP is enabled before issuing tokens. The issuer lookup mechanism lookupIdentityProviderFromIssuer retrieves the IdP configuration but does not filter...