CVE-2026-76213

High

Description

phpMyFAQ before 4.1.7 contains a brute-force vulnerability in the two-factor authentication step where the failure counter is session-scoped and reset on each successful password re-authentication. Attackers with a valid password can bypass the five-attempt limit by obtaining a fresh session cookie and repeatedly re-authenticating to reset the counter, enabling unbounded TOTP code guessing.

SeverityHigh

CVSS7.4

Exploit probability—

ProductPhpmyfaq

PublishedAug 19, 2026

First seenAug 19, 2026

Weakness typeCWE-307CWE-307

How to fix

Update

phpmyfaq phpmyfaq4.1.7 or later

Vendor advisories

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f98m-hcjv-7rp9

Affected products

Product	Affected versions	Fixed in
phpmyfaq phpmyfaq	v < 4.1.7	4.1.7

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