CVE-2026-29191

Published: Mar 7, 2026Modified: Jun 17, 2026

9.3

Vector

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

Exploitability: 2.8 / Impact: 5.8

Source: security-advisories@github.com (Secondary)

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.

Affected (1)

Products: Zitadel: Zitadel

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Zitadel Zitadel	From 4.0.0 to 4.12.0

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (1)

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

Source: security-advisories@github.com

PatchVendor Advisory

Timeline

No history available yet.