{"cve":"CVE-2026-29191","nvd":{"published":"2026-03-07T15:15:55.557","modified":"2026-06-17T10:29:45.100","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","score":9.3},"cwes":["CWE-79"],"references":["https://github.com/zitadel/zitadel/security/advisories/GHSA-pr34-2v5x-6qjq"],"products":["zitadel:zitadel"],"source":"nvd","synced_at":"2026-10-19T22:25:53.701907451+00:00"},"epss":{"cve":"CVE-2026-29191","score":0.00418,"percentile":0.36186,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-pr34-2v5x-6qjq","url":"https://osv.dev/vulnerability/GHSA-pr34-2v5x-6qjq","summary":"ZITADEL has 1-Click Account Takeover via XSS in /saml-post Endpoint","modified":"2026-03-23T04:56:25.187657306Z","packages":[{"ecosystem":"Go","name":"github.com/zitadel/zitadel","purl":"pkg:golang/github.com/zitadel/zitadel","ranges":[">=4.0.0 <4.12.0"],"fixed":["4.12.0"]},{"ecosystem":"Go","name":"github.com/zitadel/zitadel/v2","purl":"pkg:golang/github.com/zitadel/zitadel/v2","ranges":[">=4.0.0 <4.12.0"],"fixed":["4.12.0"]}]},{"id":"GO-2026-4607","url":"https://osv.dev/vulnerability/GO-2026-4607","summary":"ZITADEL has 1-Click Account Takeover via XSS in /saml-post Endpoint in github.com/zitadel/zitadel","modified":"2026-03-23T04:53:14.859341Z","packages":[{"ecosystem":"Go","name":"github.com/zitadel/zitadel","purl":"pkg:golang/github.com/zitadel/zitadel","ranges":["all versions"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}