CVE-2026-91984

Vikunja before 2.6.0 fails to validate that user-supplied projectviewid in task-position requests belongs to the task's project. Authenticated attackers can insert task position rows into arbitrary other tenant project views via POST or PUT task-position endpoints...

CVE-2026-91984 Vikunja before 2.6.0 Broken Object-Level Authorization via task-position

Vikunja before 2.6.0 fails to validate that user-supplied projectviewid in task-position requests belongs to the task's project. Authenticated attackers can insert task position rows into arbitrary other tenant project views via POST or PUT task-position endpoints...

CVE-2026-91984

Vikunja before 2.6.0 suffers from a Broken Object-Level Authorization in its task-position endpoints. The application fails to validate that a user-supplied project_view_id belongs to the task's own project, allowing authenticated attackers to insert task position rows into arbitrary other tenant...

CVE-2026-91984 Vikunja before 2.6.0 Broken Object-Level Authorization via task-position

Vikunja before 2.6.0 fails to validate that user-supplied projectviewid in task-position requests belongs to the task's project. Authenticated attackers can insert task position rows into arbitrary other tenant project views via POST or PUT task-position endpoints...

EUVD-2026-78655

Vikunja before 2.6.0 fails to validate that user-supplied projectviewid in task-position requests belongs to the task's project. Authenticated attackers can insert task position rows into arbitrary other tenant project views via POST or PUT task-position endpoints...

CVE-2026-91984 Vikunja before 2.6.0 Broken Object-Level Authorization via task-position

Vikunja before 2.6.0 fails to validate that user-supplied projectviewid in task-position requests belongs to the task's project. Authenticated attackers can insert task position rows into arbitrary other tenant project views via POST or PUT task-position endpoints...

CVE-2026-91984: Authorization Bypass Through User-Controlled Key

Vikunja before 2.6.0 fails to validate that user-supplied projectviewid in task-position requests belongs to the task's project. Authenticated attackers can insert task position rows into arbitrary other tenant project views via POST or PUT task-position endpoints...

PT-2026-92098

Vikunja before 2.6.0 fails to validate that user-supplied project view id in task-position requests belongs to the task's project. Authenticated attackers can insert task position rows into arbitrary other tenant project views via POST or PUT task-position endpoints...