CVE-2026-111890

Medium

Description

phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta contains a privilege escalation vulnerability in UserController::updateUserRights that drops per-right language restrictions when rights are re-granted. Administrators holding USER_EDIT can submit language-scoped rights to the update-rights API, including for themselves, to gain unrestricted FAQ create, edit, and publish access across all languages.

SeverityMedium

CVSS5.5

Exploit probability—

ProductphpMyFAQ

PublishedOct 17, 2026

First seenOct 17, 2026

Weakness typeCWE-269Improper privilege management

How to fix

Update

thorsten phpMyFAQ4.2.0-beta or later

Vendor advisories

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-3666-fmjj-qm5h

Affected products

Product	Affected versions	Fixed in
thorsten phpMyFAQ	4.2.0-alpha.2 ≤ v < 4.2.0-beta	4.2.0-beta

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