Authorization bypass through user-controlled key in Wekan - #VU150020
Published: September 15, 2026
Vulnerability identifier: #VU150020
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: N/A
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose private-board card information.
The vulnerability exists due to authorization bypass through a user-controlled key in the comment creation endpoint when submitting a comment request with a card ID belonging to another board. A remote user can create a comment associated with a private-board card to disclose private-board card information.
Lazy DDP publication can make the injected comment visible in the victim interface on large boards.
Affected software
Wekan
Remediation
Install security update from vendor's website.
Wekan - update to 11.77