{"id":"CVE-2026-121939","aliases":["EUVD-2026-116896","GHSA-3962-28xr-cf4g","GHSA-mh6w-2cch-w8v8"],"status":"published","title":"Databasement before 1.10.9 Account Takeover via OIDC Email Auto-Linking","description":"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.","severity":{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00544,"percentile":0.46168,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-290"],"published":"2026-11-04T12:31:18Z","modified":"2026-11-05T03:31:17Z","products":[{"vendor":"david-crty","product":"databasement"}],"references":[{"url":"https://github.com/David-Crty/databasement/security/advisories/GHSA-mh6w-2cch-w8v8","tags":["vendor-advisory","exploit","advisory"]},{"url":"https://github.com/David-Crty/databasement/commit/b7f4079c02b7ce3f1cf2844de182e809636c3382","tags":["patch","fix"]},{"url":"https://github.com/David-Crty/databasement/releases/tag/v1.10.9","tags":["release-notes","advisory"]},{"url":"https://github.com/David-Crty/databasement/blob/v1.10.8/app/Services/OAuthService.php#L55-L68","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/databasement-before-1.10.9-account-takeover-via-oidc-email-auto-linking","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121939","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3962-28xr-cf4g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121939.json","tags":["advisory"]},{"url":"https://github.com/David-Crty/databasement","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-121939","title":"Databasement before 1.10.9 Account Takeover via OIDC Email Auto-Linking","description":"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.","status":"published","published":"2026-11-04T12:31:18.485Z","modified":"2026-11-04T18:54:39.641Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-290"],"updated_at":"2026-11-04T19:37:11.952963Z"}],"euvd":[{"id":"EUVD-2026-116896","description":"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.","status":"published","published":"2026-11-04T12:31:18Z","modified":"2026-11-04T18:54:39Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-04T20:13:45.839046Z"}],"ghsa":[{"id":"GHSA-3962-28xr-cf4g","title":"Databasement before 1.10.9 contains an authentication bypass vulnerability in OAuthService:...","description":"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.","status":"published","published":"2026-11-04T15:32:30Z","modified":"2026-11-04T15:32:34Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-290"],"updated_at":"2026-11-04T15:52:09.418756Z"}],"nvd":[{"id":"CVE-2026-121939","description":"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.","status":"published","published":"2026-11-04T13:17:28.21Z","modified":"2026-11-04T19:17:34.167Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-290"],"updated_at":"2026-11-04T21:42:34.71458Z"}],"osv":[{"id":"CVE-2026-121939","title":"Databasement before 1.10.9 Account Takeover via OIDC Email Auto-Linking","description":"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.","status":"published","published":"2026-11-04T12:31:18.485Z","modified":"2026-11-09T02:47:17.464135964Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-290"],"updated_at":"2026-11-09T03:16:17.543303Z"}]}}