8.3

CVE-2026-35595

Exploit

Vikunja Affected by Privilege Escalation via Project Reparenting

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CanUpdate check at pkg/models/project_permissions.go:139-148 only requires CanWrite on the new parent project when changing parent_project_id. However, Vikunja's permission model uses a recursive CTE that walks up the project hierarchy to compute permissions. Moving a project under a different parent changes the permission inheritance chain. When a user has inherited Write access (from a parent project share) and reparents the child project under their own project tree, the CTE resolves their ownership of the new parent as Admin (permission level 2) on the moved project. This vulnerability is fixed in 2.3.0.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
VikunjaVikunja Version < 2.3.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.29% 0.205
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 8.3 2.8 5.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
CWE-269 Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

https://github.com/go-vikunja/vikunja/releases/tag/v2.3.0
Release Notes
https://github.com/go-vikunja/vikunja/security/advisories/GHSA-2vq4-854f-5c72
Vendor Advisory
Exploit
https://github.com/go-vikunja/vikunja/pull/2583
Issue Tracking
https://github.com/go-vikunja/vikunja/commit/c03d682f48aff890eeb3c8b41d38226069722827
Patch