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OpenAdvisories
High · 8.1 CVE-2026-111909 EUVD-2026-103311GHSA-2jrh-wx9p-9fp9

phpMyFAQ before 4.1.9 Missing Authorization Allows Superadmin Deletion via deleteUser API

Published Oct 17, 2026 · Updated Oct 18, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
thorsten phpMyFAQ < 4.1.9 4.1.9

References