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.
https://wekan.fi/hall-of-fame/spacebleed/
https://github.com/wekan/wekan/commit/ea310d7508b344512e5de0dfbc9bdfd38145c5c5
https://github.com/wekan/wekan/blob/main/CHANGELOG.md#v816-2025-11-02-wekan--release