Tuleap is an Open Source Suite to improve management of software developments and collaboration. Users (possibly anonymous ones if the widget is used in the dashboard of a public project) might get access to artifacts they should not see. This issue has been addressed in Tuleap Community Edition 16.3.99.1737562605 as well as Tuleap Enterprise Edition 16.3-5 and Tuleap Enterprise Edition 16.2-7. Users are advised to upgrade. There are no known workarounds for this vulnerability.