Information disclosure in Wekan - #VU144219
Published: August 18, 2026
Vulnerability identifier: #VU144219
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-200
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 exposure of sensitive information in the GET /api/users/{userId} and PUT /api/users/{userId} endpoints when serializing complete Meteor user documents without field projection. A remote privileged user can send a request to those endpoints for arbitrary users to disclose sensitive information.
Only instances with WITH_API=true are vulnerable. Exposed data includes password bcrypt hashes and hashes of active session tokens for arbitrary users.
Affected software
Wekan
Remediation
Install security update from vendor's website.
Wekan - update to 10.92