Incorrect authorization in Wekan - CVE-2026-59154
Published: July 28, 2026
Vulnerability identifier: #VU139852
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-59154
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: wekan.github.io
Affected software:
Wekan
Wekan
Detailed vulnerability description
The vulnerability allows a remote user to modify checklist data in a private board.
The vulnerability exists due to incorrect authorization in the Checklists and ChecklistItems direct DDP update rules when processing direct collection updates that change a checklist or checklist item's destination card or board. A remote user can send a specially crafted DDP update to modify checklist data in a private board.
Exploitation requires write access to a source board and knowledge of a target private card id. No membership in the target private board is required.
How to mitigate CVE-2026-59154
Install security update from vendor's website.