CVE-2026-84441 [HIGH] – A security vulnerability has been detected in Piwigo up to 16.3.0. Affected by this issue

A security vulnerability has been detected in Piwigo up to 16.3.0. Affected by this issue is some unknown functionality of the file i.php of the component Image Derivative Handler. The manipulation leads to path traversal. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.