CVE-2026-45010

Critical

Description

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 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.

SeverityCritical

CVSS9.1

Exploit probability—

ProductThorsten/phpmyfaq

PublishedMay 15, 2026

First seenMay 15, 2026

Weakness typeCWE-307CWE-307

How to fix

Update

thorsten/phpmyfaq4.1.2 or later
phpmyfaq/phpmyfaq4.1.2 or later

Vendor advisories

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9pq7-mfwh-xx2j

Affected products

Product	Affected versions	Fixed in
thorsten/phpmyfaqPackagist	v < 4.1.2	4.1.2
phpmyfaq/phpmyfaqPackagist	v < 4.1.2	4.1.2

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