CVE-2026-45010: phpMyFAQ - Unauthenticated Two-Factor Authentication Brute-Force via /admin/check Endpoint
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-45010?
CVE-2026-45010 has a high severity rating due to the potential for unauthorized users to brute-force two-factor authentication.
How do I fix CVE-2026-45010?
To fix CVE-2026-45010, upgrade phpMyFAQ to version 4.1.2 or later to eliminate the vulnerability.
Which versions of phpMyFAQ are affected by CVE-2026-45010?
CVE-2026-45010 affects all versions of phpMyFAQ prior to 4.1.2.
What is the nature of the vulnerability in CVE-2026-45010?
CVE-2026-45010 is an improper restriction of excessive authentication attempts vulnerability found in the /admin/check endpoint.
Can CVE-2026-45010 be exploited without authentication?
Yes, CVE-2026-45010 can be exploited without authentication as it allows unauthenticated brute-force attempts.