{"id":"CVE-2026-111886","title":"phpMyFAQ 4.2.0-alpha.2 before 4.2.0-beta 2FA Brute-Force via remove-twofactor Endpoint","summary":"phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta lacks brute-force lockout in the removeTwofactorConfig() 2FA removal endpoint, allowing authenticated attackers to guess TOTP codes without limit. Attackers holding a hijacked session and CSR…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","cvssSource":"cna","cwe":["CWE-307"],"vendor":"thorsten","product":"phpMyFAQ","affected":["phpMyFAQ >= 4.2.0-alpha.2 < 4.2.0-beta"],"published":"2026-10-17","updated":"2026-10-17","sourceUpdated":"2026-10-17T18:46:11.821Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111886","references":[{"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7pjw-6v4g-f837","label":"GitHub Security Advisory (GHSA-7pjw-6v4g-f837)"},{"url":"https://www.vulncheck.com/advisories/phpmyfaq-4.2.0-alpha.2-before-4.2.0-beta-2fa-brute-force-via-remove-twofactor-endpoint","label":"VulnCheck Advisory: phpMyFAQ 4.2.0-alpha.2 before 4.2.0-beta 2FA Brute-Force via remove-twofactor Endpoint"}],"tags":["cve.org"],"ingestedAt":"2026-10-17T19:08:56.973Z","slug":"CVE-2026-111886","body":"## Overview\n\nphpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta lacks brute-force lockout in the removeTwofactorConfig() 2FA removal endpoint, allowing authenticated attackers to guess TOTP codes without limit. Attackers holding a hijacked session and CSRF token can repeatedly POST guesses to /api/user/remove-twofactor to permanently disable the victim's 2FA.\n\n## Affected\n\n- `phpMyFAQ >= 4.2.0-alpha.2 < 4.2.0-beta`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}