CVE-2026-29191

CRITICAL

ZITADEL 4.0.0-4.11.1 - XSS

Title source: llm

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.

Scores

CVSS v3 9.3
EPSS 0.0003
EPSS Percentile 9.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Classification

CWE
CWE-79
Status draft

Affected Products (2)

zitadel/zitadel < 4.12.0Go
zitadel/zitadel < 4.12.0Go

Timeline

Published Mar 07, 2026
Tracked Since Mar 07, 2026