CVE-2026-111909 [HIGH] – phpMyFAQ before 4.1.9 contains a missing authorization vulnerability in the deleteUser() A

phpMyFAQ before 4.1.9 contains a missing authorization vulnerability in the deleteUser() API that allows authenticated non-superadmin users with delete_user permission to delete superadmin accounts. Attackers can send a DELETE request to /admin/api/user/delete with a superadmin’s userId other than 1, removing administrative access and accountability.