CVE-2026-33676: CWE-863: Incorrect Authorization in go-vikunja vikunja
Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, when the Vikunja API returns tasks, it populates the `related_tasks` field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. An authenticated user who can read a task that has cross-project relations will receive full details (title, description, due dates, priority, percent completion, project ID, etc.) of tasks in projects they have no access to. Version 2.2.1 patches the issue.
CVE-2026-33676: CWE-863: Incorrect Authorization in go-vikunja vikunja
Description
Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, when the Vikunja API returns tasks, it populates the `related_tasks` field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. An authenticated user who can read a task that has cross-project relations will receive full details (title, description, due dates, priority, percent completion, project ID, etc.) of tasks in projects they have no access to. Version 2.2.1 patches the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-03-23T16:34:59.930Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69c2b56bf4197a8e3b4a0812
Added to database: 3/24/2026, 4:01:47 PM
Last updated: 3/24/2026, 4:02:03 PM
Views: 1
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