Description
An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Unauthenticated attackers can update a board's "sort" value (Boards.allow returns true without verifying userId), allowing arbitrary reordering of boards.
Affected products
wekan_project: wekan
References4
- wekan.fi/hall-of-fame/spacebleed/ Vendor Advisory
- github.com/wekan/wekan/commit/ea310d7508b344512e5de0dfbc9bdfd38… Patch
- github.com/wekan/wekan Product
- github.com/wekan/wekan/blob/main/CHANGELOG.md#v816-2025-11-02-w… Release Notes
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - EPSS — exploit probability
- 0% percentile: 25 · as of 11 November 2026
- CWE
- CWE-284
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.