CVE-2026-52892 Missing authorization in wekan
Read-only users can create, modify, or delete custom fields in Wekan due to missing write-level authorization checks on API endpoints.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-52892?
CVE-2026-52892 is a medium-severity missing authorization vulnerability in wekan, published on 15 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Wekan is open source kanban built with Meteor. Prior to 9.32, Wekan REST handlers in server/models/customFields.js use read-level Authentication.checkBoardAccess instead of write-level Authentication.checkBoardWriteAccess for mutating custom-field routes. A read-only board member can call POST, PUT, and DELETE handlers for /api/boards/:boardId/custom-fields and custom-field dropdown items to create, update, or delete board custom fields. This issue is fixed in version 9.32.
Weakness: CWE-862
Which versions are affected by CVE-2026-52892?
How do I fix CVE-2026-52892?
No fix has been published for CVE-2026-52892 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-52892 being exploited?
There is no known exploitation of CVE-2026-52892 in the wild and no public exploit code.
Sources
Also known as GHSA-6733-4wgq-8xvr.