Authorization bypass through user-controlled key in phpMyFAQ - CVE-2026-111908
Published: November 10, 2026
Vulnerability identifier: #VU164484
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-111908
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to modify or deactivate restricted FAQs, bypass moderation, and potentially expose restricted content through forced publication.
The vulnerability exists due to missing object-level authorization in phpMyFAQ's PUT /api/v3.1/faq/update endpoint when updating FAQs using a supplied ID and language. A remote user can submit an update request with edit_faq permission and a restricted FAQ's ID to alter content outside their authorized scope.
Affected software
phpMyFAQ
How to mitigate CVE-2026-111908
Install security update from vendor's website.
phpMyFAQ - update to 4.1.9