CVE-2026-111920

Publié : 17 octobre 2026

Modifié : 17 octobre 2026

Score CVSS

4.3

MEDIUM

Description détaillée

Vikunja 2.6.0 contains a broken access control flaw in getProjectAccessForUser (pkg/models/project_access.go), which resolves a user's effective project permission as the maximum over the project tree, silently overriding explicit lower-permission shares on sub-projects. A collaborator with write access on a parent project but read-only access to a child project can modify the child project's tasks and content.

Vecteur d'attaque (CVSS)

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

Références et Patchs

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-pjr3-86v4-5p7w https://www.vulncheck.com/advisories/vikunja-2.6.0-broken-access-control-via-inherited-project-permissions

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