CVE-2026-29191: critical vulnerability in zitadel
ZITADEL: 1-Click Account Takeover via XSS in /saml-post Endpoint
Published · Updated
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.3epss 0.4%
exploitation probability
0.4%top 68% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Affected products
zitadel · zitadelRelated CVEs — zitadel
In the same product, most dangerous first.
CVE-2024-49757HIGHZitadel User Registration Bypass VulnerabilityEPSS 2.5%CVE-2022-36051HIGHBroken Authorization in ZITADEL ActionsEPSS 1.0%CVE-2024-28855HIGHZITADEL vulnerable to improper HTML sanitizationEPSS 0.8%CVE-2024-29892MEDIUMZITADEL's actions can overload reserved claimsEPSS 0.8%CVE-2023-49097HIGHZITADEL vulnerable account takeover via malicious host header injectionEPSS 0.8%CVE-2024-29891HIGHZITADEL Improper Content-Type Validation Leads to Account Takeover via Stored XSS + CSP BypassEPSS 0.8%