{"id":"CVE-2026-29191","summary":"ZITADEL: 1-Click Account Takeover via XSS in /saml-post Endpoint","details":"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.","aliases":["GHSA-pr34-2v5x-6qjq","GO-2026-4607"],"modified":"2026-03-26T09:14:35.112504Z","published":"2026-03-07T15:07:02.706Z","related":["SUSE-SU-2026:1042-1"],"database_specific":{"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29191.json","cwe_ids":["CWE-79"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29191.json"},{"type":"ADVISORY","url":"https://github.com/zitadel/zitadel/security/advisories/GHSA-pr34-2v5x-6qjq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29191"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zitadel/zitadel","events":[{"introduced":"c86c60bab86b64b44755d2776703939c01686055"},{"fixed":"f360bc52bd5ce35a8aec21870de22a3b38967081"}]}],"versions":["v4.0.0","v4.0.1","v4.0.2","v4.0.3","v4.1.0","v4.1.1","v4.1.2","v4.1.3","v4.1.4","v4.10.0","v4.10.1","v4.11.0","v4.11.1","v4.2.0","v4.2.1","v4.2.2","v4.3.0","v4.3.1","v4.3.2","v4.3.3","v4.4.0","v4.5.0","v4.6.0","v4.6.1","v4.6.2","v4.6.3","v4.6.4","v4.6.5","v4.6.6","v4.7.0","v4.7.1","v4.7.2","v4.7.3","v4.7.4","v4.7.5","v4.7.6","v4.8.0","v4.8.1","v4.9.0","v4.9.1","v4.9.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-29191.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N"}]}