medium5.4
CVE-2026-111918
Vikunja from 1.0.0-rc0 before 2.7.0 contains an improper authorization vulnerability in RecalculateTaskPositions that allows authenticated users with zero acce…
Impact
Vikunja from 1.0.0-rc0 before 2.7.0 contains an improper authorization vulnerability in RecalculateTaskPositions that allows authenticated users with zero accessible projects to write task_positions rows for all tasks instance-wide. Attackers can delete their Inbox after repointing default_project_id, then create empty-filter saved filters to persist cross-tenant references and amplify writes for denial of service.
Affected products
| Product | Affected versions |
|---|---|
| Vikunja From 1.0.0-Rc0 | before 2.7.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.