CVE-2026-111920
MEDIUM4.3CVSS v3
—CVSS v2
—
EPSS (exploit probability)
CWE-269CWE
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.
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Affected routers (0)
No routers currently mapped to this CVE in our database.