Auth bypass in Wekan
CVE-2026-25566
WeKan versions prior to 8.19 contain an authorization vulnerability in card move logic. A user can specify a destination board/list/swimlane without adequate authorization checks for the destination and without validating that destination objects belong to the destination board, potentially enabling unauthorized cross-board moves.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Wekan — versions 0
- Wekan Project
Weakness classification (CWE)
References
- github.com/wekan/wekan/commit/198509e7600981400353aec6259247b3c04e043e (Patch, patch)
- wekan.fi/ (Product, product)
- www.vulncheck.com/advisories/wekan-cross-board-card-move-without-destination-au… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-25566?
- CVE-2026-25566 is a medium-severity vulnerability in Wekan, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2026-02-07.
- How severe is CVE-2026-25566?
- Medium severity. CVSS v3 base score is 5.4 out of 10.