CVE-2026-45010: Thorsten Phpmyfaq

Critical severity, CVSS 9.1. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Thorsten Phpmyfaq: before 4.1.2 (fixed in 4.1.2)

Published 2026-05-15. Last modified 2026-06-17.