Auth bypass in Zitadel

CVE-2026-29193

ZITADEL is an open source identity management platform. From version 4.0.0 to 4.12.0, 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. This issue has been patched in version 4.12.1.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-29193: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

  • Zitadel — versions >= 4.0.0, < 4.12.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-29193?
CVE-2026-29193 is a high-severity vulnerability in Zitadel, classified under Improper Authentication. CVSS score: 8.2/10. Published 2026-03-07.
How severe is CVE-2026-29193?
High severity. CVSS v3 base score is 8.2 out of 10.