CVE-2026-111920

MediumCVSS 4.3/10Last modified Oct 19, 2026

Description

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-269

Affected software

No affected versions have been published.

Timeline

Published: Oct 17, 2026
Last modified: Oct 19, 2026
NVD status: Deferred

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