CVE-2026-109372

The ZITADEL identity platform (versions 4.x before 4.19.2 and 3.x through 3.4.15 ) is vulnerable to an authentication bypass in the SAML identity-provider intent callback. The root cause is a failure to verify that the provider name in the request URL matches the provider used to resolve the user...

EUVD-2026-97670

ZITADEL 4.x before 4.19.2 and 3.x through 3.4.15 contains an authentication bypass in the SAML identity-provider intent callback, which verifies the assertion signature using the provider named in the request URL but resolves the user from the login intent without checking they match. Attackers...