{"id":"CVE-2026-56737","summary":"phpMyFAQ's two-factor authentication login bypasses the password factor","details":"phpMyFAQ is an open source FAQ web application. Versions 3.2.0 through 4.1.5 contain an authentication bypass in its public two-factor authentication verification flow: an unauthenticated attacker can submit an account’s numeric user ID and a valid or brute-forced six-digit TOTP code without first authenticating with the account password, allowing takeover of any 2FA-enabled account, including administrator accounts. Version 4.1.6 is patched by binding TOTP verification to a session established after successful password authentication and limiting failed TOTP attempts. No official workaround is documented; affected installations should upgrade to 4.1.6 or later.","aliases":["GHSA-8gpw-xvpf-hvx5"],"modified":"2026-09-26T03:47:28.610557024Z","published":"2026-09-24T14:59:35.695Z","database_specific":{"cwe_ids":["CWE-287"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56737.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56737.json"},{"type":"ADVISORY","url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-8gpw-xvpf-hvx5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56737"},{"type":"FIX","url":"https://github.com/thorsten/phpMyFAQ/commit/410208b90f1d01534812ac5203d3e8d9c7bd591f"},{"type":"FIX","url":"https://github.com/thorsten/phpMyFAQ/commit/5097dff341fb01e93e8561e7261b3ae657df715a"},{"type":"FIX","url":"https://github.com/thorsten/phpMyFAQ/commit/6a69f6e2142fde722165c65b7e0a49f3176e87be"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/thorsten/phpmyfaq","events":[{"introduced":"860c494b287d217c4b9b74856834ab5050cc8a39"},{"fixed":"58c1d7f2fa36f7074664fc6d862afee0ca8bcc89"}],"database_specific":{"extracted_events":[{"introduced":"3.2.0"},{"fixed":"4.1.6"}],"source":"AFFECTED_FIELD"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-56737.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}