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CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2026-40103

Vikunja's Scoped API tokens with projects.background permission can delete project backgrounds

Description

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, Vikunja's scoped API token enforcement for custom project background routes is method-confused. A token with only projects.background can successfully delete a project background, while a token with only projects.background_delete is rejected. This is a scoped-token authorization bypass. This vulnerability is fixed in 2.3.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

go-vikunja vikunja

  • < 2.3.0affected

References