CVE-2026-111918 | BDVDB-2026-390741 Detail

Description#

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.

Impact#

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Exploit#

History#

1. Version 12026-10-17Record published in the CVE List.
2. Version 22026-10-19Most recent update recorded in the CVE List.