What’s Vulnerable › Vulnerabilities
CVE-2026-29191: ZITADEL: 1-Click Account Takeover via XSS in /saml-post Endpoint
- Severity: critical (CVSS 9.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-07 · updated 2026-06-17
- Weakness: CWE-79
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 products
- zitadel: from 4.0.0 before 4.12.0 — fixed in 4.12.0
How to fix
Upgrade to a fixed version: zitadel 4.12.0. Check the vendor advisory for mitigations.
References
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