CVE-2026-111886

Medium

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductphpMyFAQ

PublishedOct 17, 2026

First seenOct 17, 2026

Weakness typeCWE-307CWE-307

How to fix

Update

thorsten phpMyFAQ4.2.0-beta or later

Vendor advisories

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7pjw-6v4g-f837

Affected products

Product	Affected versions	Fixed in
thorsten phpMyFAQ	4.2.0-alpha.2 ≤ v < 4.2.0-beta	4.2.0-beta

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