Keycloak 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a security vulnerability, which stems from the IdentityBrokerService.performLogin endpoint allowing authentication with disabled identity providers, potentially leading to bypass of access...

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...

CVE-2026-1486

CVE-2026-1486 : In Keycloak, the jwt-authorization-grant flow fails to verify whether an IdP is enabled before issuing tokens. The issuer lookup (lookupIdentityProviderFromIssuer) fetches the IdP config but does not filter for isEnabled=false. If an administrator disables an IdP (e.g., due to com...