CVE-2026-29191

CRITICAL

9.3

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

CVE Details

CVSS v3.1 Score9.3

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/7/2026

Last Modified3/10/2026

Sourcenvd

Honeypot Sightings0

Affected Products

zitadel:zitadel

Weaknesses (CWE)

CWE-79

References

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

IOC Correlations

No correlations recorded

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