Incorrect authorization in Wekan - #VU150010
Published: September 15, 2026
Vulnerability identifier: #VU150010
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to modify source cards without source-board write access.
The vulnerability exists due to incorrect authorization in the linked-card permission handling when creating a linked card on an attacker-controlled destination board. A remote user can create a linked card and submit an update to the source card to modify source cards without source-board write access.
The user must be a comment-only member of the source board and have write access to the destination board.
Affected software
Wekan
Remediation
Install security update from vendor's website.
Wekan - update to 11.77