{"id":"CVE-2026-121939","aliases":["GHSA-mh6w-2cch-w8v8"],"url":"https://o3.security/vulnerability/CVE-2026-121939","summary":"Databasement before 1.10.9 Account Takeover via OIDC Email Auto-Linking","details":"Databasement before 1.10.9 contains an authentication bypass vulnerability in OAuthService::findOrCreateLocalUser() that links OIDC identities to local users by email without checking email_verified. Attackers can register an identity provider account with a victim's unverified email to log in as any user, including the super-admin, and retain access after password resets.","published":"2026-11-04T12:31:18.485Z","modified":"2026-11-05T21:32:22.064042925Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/David-Crty/databasement/commit/b7f4079c02b7ce3f1cf2844de182e809636c3382","label":"David-Crty/databasement@b7f4079"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121939.json"},{"type":"ADVISORY","url":"https://github.com/David-Crty/databasement/releases/tag/v1.10.9"},{"type":"ADVISORY","url":"https://github.com/David-Crty/databasement/security/advisories/GHSA-mh6w-2cch-w8v8"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121939"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/databasement-before-1.10.9-account-takeover-via-oidc-email-auto-linking"},{"type":"FIX","url":"https://github.com/David-Crty/databasement/commit/b7f4079c02b7ce3f1cf2844de182e809636c3382"},{"type":"PACKAGE","url":"https://github.com/David-Crty/databasement"},{"type":"ARTICLE","url":"https://github.com/David-Crty/databasement/blob/v1.10.8/app/Services/OAuthService.php#L55-L68"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-11-05T21:32:22.064042925Z"}}