Incorrect authorization in Wekan - #VU150018
Published: September 15, 2026
Vulnerability identifier: #VU150018
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 restore historical changes without write permission.
The vulnerability exists due to incorrect authorization in the changeHistory restore operation when restoring historical changes. A remote user can invoke the restore operation while passing its membership check to restore historical changes without write permission.
The membership check excludes comment-only members but does not exclude read-only, worker, or comment-assigned-only roles.
Affected software
Wekan
Remediation
Install security update from vendor's website.
Wekan - update to 11.77