Authorization bypass through user-controlled key in Wekan - CVE-2026-53447
Published: July 28, 2026
Vulnerability identifier: #VU139855
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-2026-53447
CWE-ID: CWE-639
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 missing authorization in the cloneBoard Meteor method when invoking the method with a caller-supplied sourceBoardId. A remote user can send a crafted method call to disclose sensitive information.
The cloned board is created under the caller's account and may include cards, comments, attachments, member information, and activities from a private board.
How to mitigate CVE-2026-53447
Install security update from vendor's website.