CVE-2026-111918

Publié : 17 octobre 2026

Modifié : 17 octobre 2026

Score CVSS

5.4

MEDIUM

Description détaillée

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.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Références et Patchs

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-fprf-r6rv-xg99 https://www.vulncheck.com/advisories/vikunja-1.0.0-rc0-before-2.7.0-cross-tenant-task-position-writes-via-saved-filter-creation

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