{"id":"CVE-2026-29067","aliases":["GHSA-pfrf-9r5f-73f5","GO-2025-4212"],"url":"https://o3.security/vulnerability/CVE-2026-29067","summary":"ZITADEL: Account Takeover Due to Improper Instance Validation in V2 Login","details":"ZITADEL is an open source identity management platform. From version 4.0.0-rc.1 to 4.7.0, a potential vulnerability exists in ZITADEL's password reset mechanism in login V2. ZITADEL utilizes the Forwarded or X-Forwarded-Host header from incoming requests to construct the URL for the password reset confirmation link. This link, containing a secret code, is then emailed to the user. This issue has been patched in version 4.7.1.","published":"2026-03-07T15:12:26.345Z","modified":"2026-08-07T11:31:31.807836775Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/zitadel/zitadel","fixedVersion":"1.80.0-v2.20.0.20251208091519-4c879b47334e"},{"ecosystem":"Go","name":"github.com/zitadel/zitadel","fixedVersion":null},{"ecosystem":"Go","name":"github.com/zitadel/zitadel","fixedVersion":"4.7.1"},{"ecosystem":"Go","name":"github.com/zitadel/zitadel/v2","fixedVersion":"1.80.0-v2.20.0.20251208091519-4c879b47334e"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29067.json"},{"type":"ADVISORY","url":"https://github.com/zitadel/zitadel/security/advisories/GHSA-pfrf-9r5f-73f5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29067"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:31.807836775Z"}}