An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Attachment upload API treats the Authorization bearer value as a userId and enters a non-terminating body-handling branch for any non-empty bearer token, enabling trivial application-layer DoS and latent identity-spoofing.
https://wekan.fi/hall-of-fame/spacebleed/
https://github.com/wekan/wekan/commit/ccd90343394f433b287733ad0a33c08e0a71f53c
https://github.com/wekan/wekan/blob/main/CHANGELOG.md#v816-2025-11-02-wekan--release