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.
The product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the product in an invalid state.