CVE-2026-29193: ZITADEL: Login V2 UI Policy Bypass Allows Unauthorized Self-Registration and Authentication

March 4, 2026 (updated March 9, 2026)

A vulnerability in Zitadel’s login V2 UI allowed users to bypass login behavior and security policies and self-register new accounts or sign in using password even if corresponding options were disabled in their organizaton.

References

github.com/advisories/GHSA-25rw-g6ff-fmg8
github.com/zitadel/zitadel
github.com/zitadel/zitadel/releases/tag/v4.12.1
github.com/zitadel/zitadel/security/advisories/GHSA-25rw-g6ff-fmg8
nvd.nist.gov/vuln/detail/CVE-2026-29193

Code Behaviors & Features

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