Vikunja: Link-share token reads any tenant's kanban buckets and enumerates usernames/IDs instance-wide (BOLA)

Summary The task-collection endpoint GET /api/v1/projects/project/views/view/tasks loads the requested project view straight from the URL path without verifying the caller is authorized for it. For a link-share token, the task query is correctly pinned to the share's own project, but the view is...

Duplicate Advisory: Vikunja: Link-share token reads any tenant's kanban buckets and enumerates usernames/IDs instance-wide (BOLA)

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rj9j-8772-4h6c. This link is maintained to preserve external references. Original Description Vikunja versions = 0.24.0 and = 2.3.0 contain a broken object level authorization BOLA vulnerability in the...

CVE-2026-68582

Vikunja versions = 0.24.0 and = 2.3.0 contain a broken object level authorization BOLA vulnerability in the task-collection endpoint GET /api/v1/projects/project/views/view/tasks. The endpoint loads the requested project view from the URL path without verifying the caller is authorized for it. Fo...