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CVE-2026-91984

MEDIUM CVSS: 4.3 Published: 2026-09-15 Modified: 2026-09-17

Description

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.

Affected Platforms

Unknown

Weakness Type

CWE-639

References