CVE-2026-91984EPSS p16.7%
CVE-2026-91984CVE-2026-91984
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.
Scoring
| CVSS | 4.3 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| EPSS | 0.26% probability of exploitation · percentile 16.7% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-17 |