CVE-2026-29191

critical · 9.3

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 XSS in /saml-post Endpoint. This issue has been patched in version 4.12.0.

9.3

CVSS

0.4%

EPSS (exploit prob.)

34th

EPSS percentile

2026-03-07

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Weaknesses

CWE-79

Affected products

Vendor	Product	Affected versions
zitadel	zitadel	>= 4.0.0, < 4.12.0

Check a specific version with /api/v1/cve/match.

References

https://github.com/zitadel/zitadel/security/advisories/GHSA-pr34-2v5x-6qjq

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-29191