Incorrect authorization in Wekan - #VU145024
Published: August 25, 2026
Vulnerability details
The vulnerability allows a remote user to modify checklists, checklist items, and comments beyond intended board-role restrictions.
The vulnerability exists due to incorrect authorization in REST API checklist, checklist-item, and comment write endpoints when handling authenticated write requests. A remote user can send crafted REST API requests to modify checklists, checklist items, and comments beyond intended board-role restrictions.
The issue affects authenticated board members with low-privilege roles such as read-only, read-assigned-only, and comment-assigned-only, and the REST routes do not apply assignment-based scoping for these operations.