{"id":"CVE-2026-45010","title":"phpMyFAQ - Unauthenticated Two-Factor Authentication Brute-Force via /admin/check Endpoint","summary":"phpMyFAQ before 4.1.2 contains an improper restriction of excessive authentication attempts vulnerability in the /admin/check endpoint, which accepts arbitrary user-id parameters without session binding or rate limiting. Unauthenticated …","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cvssSource":"cna","cwe":["CWE-307"],"vendor":"thorsten","product":"phpmyfaq","affected":["phpmyfaq < 4.1.2"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-05-15T22:11:39.787082Z"},"exploitAvailable":true,"published":"2026-05-15","updated":"2026-11-08","sourceUpdated":"2026-11-08T14:03:35.963Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-45010","references":[{"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9pq7-mfwh-xx2j","label":"GitHub Security Advisory (GHSA-9pq7-mfwh-xx2j)"},{"url":"https://www.vulncheck.com/advisories/phpmyfaq-unauthenticated-two-factor-authentication-brute-force-via-admin-check-endpoint","label":"VulnCheck Advisory: phpMyFAQ - Unauthenticated Two-Factor Authentication Brute-Force via /admin/check Endpoint"}],"tags":["cve.org","exploit-available"],"epss":0.00432,"epssPercentile":0.37753,"ingestedAt":"2026-11-08T14:51:22.425Z","slug":"CVE-2026-45010","body":"## Overview\n\nphpMyFAQ before 4.1.2 contains an improper restriction of excessive authentication attempts vulnerability in the /admin/check endpoint, which accepts arbitrary user-id parameters without session binding or rate limiting. Unauthenticated attackers can brute-force any user's six-digit TOTP code by submitting POST requests with sequential token values, bypassing two-factor authentication to gain full administrative access.\n\n## Affected\n\n- `phpmyfaq < 4.1.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":62,"depthScoreParts":{"impact":50.1,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}