Description
An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Authenticated users can update their entire user document (beyond profile fields), including orgs/teams and loginDisabled, due to missing server-side authorization checks; this enables privilege escalation and unauthorized access to other teams/orgs.
Affected products
wekan_project: wekan
References4
- wekan.fi/hall-of-fame/spacebleed/ Vendor Advisory
- github.com/wekan/wekan/commit/f26d58201855e861bab1cd1fda4d62c66… 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
-
8.8
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 27 · 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.