CVE-2026-56396

High

Description

phpMyFAQ before 4.1.4 contains missing authorization vulnerabilities in editUser() and updateUserRights() endpoints that allow authenticated administrators to escalate privileges. Non-SuperAdmin users with edit_user permission can set is_superadmin flag or grant arbitrary rights to escalate to SuperAdmin access.

SeverityHigh

CVSS8.8

Exploit probability—

ProductThorsten/phpmyfaq

PublishedJun 21, 2026

First seenJun 21, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

thorsten/phpmyfaq4.1.4 or later
phpmyfaq/phpmyfaq4.1.4 or later

Vendor advisories

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h

Affected products

Product	Affected versions	Fixed in
thorsten/phpmyfaqPackagist	v < 4.1.4	4.1.4
phpmyfaq/phpmyfaqPackagist	v < 4.1.4	4.1.4

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