{"id":"CVE-2026-109312","summary":"Grav Login Plugin 2.7.0 before 3.9.9 2FA Bypass via Profile Update Form","details":"Grav Login plugin 2.7.0 before 3.9.9 contains an authentication bypass in processUserProfile(), which checks that the session user exists but not that a pending front-end 2FA session is fully authorized. Attackers with a victim's password who can publish a page form without an access rule can invoke update_user before completing 2FA to disable twofa_enabled and take over the account.","aliases":["GHSA-5rph-jqcf-2x36"],"modified":"2026-10-14T02:47:41.817850668Z","published":"2026-10-12T16:05:07.605Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-287"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109312.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109312.json"},{"type":"ADVISORY","url":"https://github.com/getgrav/grav/security/advisories/GHSA-5rph-jqcf-2x36"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109312"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/grav-login-plugin-2.7.0-before-3.9.9-2fa-bypass-via-profile-update-form"},{"type":"PACKAGE","url":"https://github.com/getgrav/grav-plugin-login"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/getgrav/grav-plugin-login","events":[{"introduced":"db3a7c90fa511d50ae0a4401c3bf2f9d5668f513"},{"fixed":"176a175156f271e831703a2b64ca798cc76e221d"}],"database_specific":{"extracted_events":[{"introduced":"2.7.0"},{"fixed":"3.9.9"}],"source":"AFFECTED_FIELD"}}],"versions":["3.9.8","3.9.7","3.9.6","3.9.5","3.9.4","3.9.3","3.9.2","3.9.1","3.9.0","3.8.13","3.8.12","3.8.11","3.8.10","3.8.9","3.8.8","3.8.7","3.8.6","3.8.5","3.8.4","3.8.3","3.8.2","3.8.1","3.8.0","3.7.9","3.7.8.1","3.7.8","3.7.7","3.7.6","3.7.5","3.7.4","3.7.3","3.7.2","3.7.1","3.7.0","3.6.3","3.6.2","3.6.1","3.6.0","3.5.3","3.5.2","3.5.1","3.5.0","3.4.4","3.4.3","3.4.2","3.4.1","3.4.0","3.3.8","3.3.7","3.3.6","3.3.5","3.3.4","3.3.3","3.3.2","3.3.1","3.3.0","3.2.0","3.1.0","3.0.6","3.0.5","3.0.4","3.0.3","3.0.2","3.0.1","3.0.0","2.8.4","2.8.3","2.8.2","2.8.1","2.8.0","2.7.3","2.7.2","2.7.1","2.7.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109312.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}]}