CVE-2026-44736 — OpenProject: Relations API Filter Bypasses Visibility Scope, Leaking Cross-Project Work Package Subjects
OpenProject is open-source, web-based project management software. Prior to 17.4.0, the GET /api/v3/relations endpoint allows any authenticated user to retrieve relations — and …
Published: 2026-06-26 · CVSS: 6.5 · CVSS 3.1
OpenProject is open-source, web-based project management software. Prior to 17.4.0, the GET /api/v3/relations endpoint allows any authenticated user to retrieve relations — and the subject (title) of work packages they have no permission to view — by supplying an arbitrary work package ID in the involved, fromId, or toId filter. This bypasses the Relation.visible scope due to a flawed performance optimization in RelationQuery. This vulnerability is fixed in 17.4.0.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7