CVE-2026-12704

On Grafana Enterprise instances with the optional IdP-initiated SAML single sign-on enabled allowidpinitiated = true, disabled by default, Grafana did not fully validate the InResponseTo field of SAML responses. An attacker who obtained a valid, signed SAML assertion for a user could replay it...

BIT-KEYCLOAK-2026-16442 Keycloak-services: keycloak-services: saml idp-initiated broker login bypasses link-only restriction

A flaw was found in the SAML broker component of Keycloak, which is used to manage identity federation and user authentication. The issue occurs because the IdP-initiated Single Sign-On endpoint fails to check if a provider is restricted to account linking only. This allows an attacker with contr...

PT-2026-68183

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the SAML broker component used for identity federation and user authentication. The IdP-initiated Single Sign-On endpoint fails to verify if a provider is restricted to...

How to Deploy and Troubleshoot ADC as a SAML IdP or SP

SAML is an authentication method which allows the Client to authenticate to a trusted third party before accessing protected resources. For a SAML setup, the authenticating party is called the Identity Provider IdP and the resource that the user is trying to access is called the Service Provider...