Vulnerability Description
ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL Login V2 OIDC and SAML FailedPrecondition error paths return loginSettings.defaultRedirectUri to router.push without applying the isSafeRedirectUri check, allowing an organization or instance administrator to store a javascript or data URI that can execute in a user's browser when an affected login error path is reached. This issue is fixed in version 4.15.3.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/zitadel/zitadel/commit/038265925a3b05ac1df8aad461ab071983e9eb
- https://github.com/zitadel/zitadel/releases/tag/v4.15.3
- https://github.com/zitadel/zitadel/security/advisories/GHSA-5wcj-9wj4-j65h
FAQ
What is CVE-2026-56667?
CVE-2026-56667 is a vulnerability with a CVSS score of 7.3 (HIGH). ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL Login V2 OIDC and SAML FailedPrecondition error paths return loginSettings.defaultRedirectUri to router.push without ap...
How severe is CVE-2026-56667?
CVE-2026-56667 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56667?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.