Tuleap is a Free & Open Source Suite to improve management of software developments and collaboration. In affected versions Tuleap does not properly verify permissions when creating branches with the REST API in Git repositories using the fine grained permissions. Users can create branches via the REST endpoint `POST git/:id/branches` regardless of the permissions set on the repository. This issue has been fixed in version 13.10.99.82 Tuleap Community Edition as well as in version 13.10-3 of Tuleap Enterprise Edition. Users are advised to upgrade. There are no known workarounds for this issue.
Use CWE-862, Enalean vendor hub and Tuleap product page to widen CVE-2022-31128 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-64497, CVE-2025-53541 and CVE-2025-54877 for nearby disclosures in the same product family.