CVE-2026-29191

CRITICAL
2026-03-07 [email protected] GHSA-pr34-2v5x-6qjq
9.3
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch Released
Mar 10, 2026 - 17:55 nvd
Patch available
CVE Published
Mar 07, 2026 - 15:15 nvd
CRITICAL 9.3

Tags

XSS Zitadel

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.

Analysis

Stored XSS in ZITADEL identity management platform versions 4.0.0 to 4.11.1 allows unauthenticated attackers to inject persistent scripts through the login flow. Patch available.

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Remediation

Within 24 hours: Identify all systems running ZITADEL versions 4.0.0-4.11.1 and assess exposure scope. Within 7 days: Apply the available patch to all affected instances and conduct post-patch validation testing. …

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Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +46
POC: 0

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CVE-2026-29191 vulnerability details – vuln.today
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