CVE-2025-65781

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.

CVSS 3.1

8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-25)

CWEs

CWE-287, CWE-400

Published

2025-12-15

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• wekan_project:wekan

References

• https://github.com/wekan/wekan
• https://github.com/wekan/wekan/blob/main/CHANGELOG.md#v816-2025-11-02-wekan--release
• https://github.com/wekan/wekan/commit/ccd90343394f433b287733ad0a33c08e0a71f53c
• https://wekan.fi/hall-of-fame/spacebleed/

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