CVE-2026-111886
Published:October 17, 2026
Updated:October 18, 2026
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.
Affected Packages
thorsten/phpmyfaq (PHP):
Affected version(s) =4.2.0-alpha.2 <4.2.0-betaFix Suggestion:
Update to version 4.2.0-betaphpmyfaq/phpmyfaq (PHP):
Affected version(s) =4.2.0-alpha.2 <4.2.0-betaFix Suggestion:
Update to version 4.2.0-betaRelated Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Restriction of Excessive Authentication Attempts