Critical severityNVD Advisory· Published Mar 7, 2026· Updated Mar 9, 2026
ZITADEL: 1-Click Account Takeover via XSS in /saml-post Endpoint
CVE-2026-29191
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 packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/zitadel/zitadelGo | >= 4.0.0, < 4.12.0 | 4.12.0 |
github.com/zitadel/zitadel/v2Go | >= 4.0.0, < 4.12.0 | 4.12.0 |
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- github.com/advisories/GHSA-pr34-2v5x-6qjqghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-29191ghsaADVISORY
- github.com/zitadel/zitadel/security/advisories/GHSA-pr34-2v5x-6qjqghsax_refsource_CONFIRMWEB
News mentions
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