Tuleap is an open source suite to improve management of software developments and collaboration. In Tuleap Community Edition prior to version 16.1.99.50 and Tuleap Enterprise Edition prior to versions 16.1-4 and 16.0-7, a malicious user with the ability to create an artifact in a tracker with a Gantt chart could force a victim to execute uncontrolled code. Tuleap Community Edition 16.1.99.50, Tuleap Enterprise Edition 16.1-4, and Tuleap Enterprise Edition 16.0-7 contain a fix.