Missing Authorization in Wekan - CVE-2026-68559
Published: July 28, 2026 / Updated: August 21, 2026
Vulnerability identifier: #VU139850
CSH Severity: Low
CVSS v4: 7.1 [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]
CVE-ID: CVE-2026-68559
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in the Excel-export route /api/boards/:boardId/exportExcel when handling export requests because the async canExport() authorization check is called without await. A remote user can send a crafted export request for a private board to disclose sensitive information.
The issue affects authenticated non-members and can expose the full contents of private boards, including card titles, descriptions, lists, swimlanes, members, and metadata.
Affected software
Wekan
How to mitigate CVE-2026-68559
Install security update from vendor's website.
Wekan - update to 9.74