๐Ÿ” CVE Alert

CVE-2026-29191

CRITICAL 9.3

ZITADEL: 1-Click Account Takeover via XSS in /saml-post Endpoint

CVSS Score
9.3
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor zitadel
Product zitadel
Published Mar 7, 2026
Last Updated Mar 9, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Affected Versions

zitadel / zitadel
>= 4.0.0, < 4.12.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/zitadel/zitadel/security/advisories/GHSA-pr34-2v5x-6qjq