Missing Authorization in Wekan - CVE-2026-53445
Published: July 28, 2026
Vulnerability identifier: #VU139863
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-53445
CWE-ID: CWE-862
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 disclose sensitive information.
The vulnerability exists due to improper access control in the copyBoard DDP method in server/publications/boards.js when handling copyBoard method calls with a supplied board ID. A remote user can invoke the method to copy private boards they are not a member of and disclose sensitive information.
The copied data can include cards, checklists, custom fields, labels, and rules.
How to mitigate CVE-2026-53445
Install security update from vendor's website.