{"schemaVersion":3,"id":"CVE-2026-111886","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"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 CSRF token can repeatedly POST guesses to /api/user/remove-twofactor to permanently disable the victim's 2FA.","dates":{"published":"2026-10-17T18:46:11.821Z","modified":"2026-10-18T13:25:20.125Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.1,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":7.1,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":7.1,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/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","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00226,"percentile":0.12535,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-18T00:00:00.000Z","score":0.00226,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00226,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00226,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00226,"percentile":0.12535}],"last30":[{"date":"2026-10-18T00:00:00.000Z","score":0.00226,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00226,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00226,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00226,"percentile":0.12535}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-307","name":"Improper Restriction of Excessive Authentication Attempts","description":"The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/307.html"}],"affected":[{"vendor":"thorsten","product":"phpmyfaq","name":"phpMyFAQ","label":"phpmyfaq","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 4.2.0-alpha.2, < 4.2.0-beta","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.2.0-alpha.2, < 4.2.0-beta","eol":null,"hubHref":"/vendor/thorsten/phpmyfaq"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7pjw-6v4g-f837","label":"github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7pjw-6v4g-f837","hostname":"github.com","tags":["Vendor Advisory"]},{"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":"www.vulncheck.com/advisories/…","hostname":"www.vulncheck.com","tags":["Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-17T18:46:11.821Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-18T13:25:20.125Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":28,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T05:22:49.168Z","stale":false,"partial":false}}