Missing Authentication for Critical Function in Wekan - #VU145034
Published: August 25, 2026
Vulnerability identifier: #VU145034
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to missing authentication for the user-miniprofile Meteor DDP publication in server/publications/users.js when handling unauthenticated WebSocket subscription requests. A remote attacker can subscribe to the user-miniprofile publication with supplied usernames to disclose sensitive information.
Exposed data may include org and team membership, authentication method, last connection date, and migration-era usernames.
Affected software
Wekan
Remediation
Install security update from vendor's website.
Wekan - update to 11.11