CVE-2026-29191

CRITICAL EPSS 32.0%
Published Mar 7, 20263mo ago · Modified Mar 10, 20263mo ago
9.3 CVSS 3.1
Critical
Find Similar
Published Mar 7, 2026 3mo ago
Last Modified Mar 10, 2026 3mo ago

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.

CVSS Details

Base Score
9.3
Exploitability
2.8
Impact
5.8
Vector string
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

Threat Intelligence

EPSS Exploit Probability
32.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
zitadelzitadel*≥4.0.0  –  <4.12.0

References 1

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

Remediation

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