{"id":"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.","aliases":["GHSA-pfrf-9r5f-73f5","GO-2025-4212"],"modified":"2026-08-12T03:51:38.196340481Z","published":"2026-03-07T15:12:26.345Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-601"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29067.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zitadel/zitadel","events":[{"introduced":"8f0b7ebf028187e84881694bb931cbe33604e308"},{"fixed":"38c7ce7e5250f433403abe9a9de9a8f47f5f39e3"}],"database_specific":{"cpe":"cpe:2.3:a:zitadel:zitadel:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.0.0-rc.1"},{"fixed":"4.7.1"},{"introduced":"4.0.0"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-29067.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"}]}