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CVE-2026-111920

5.3 medium SSVC exploitation: poc Deferred
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusReceived → DeferredNVD modified 2026-10-19 21:02
  2. First seenCVSS 5.3NVD modified 2026-10-18 12:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3