Auth bypass in Wekan Project
CVE-2026-1894
A vulnerability was detected in WeKan up to 8.20. This impacts an unknown function of the file models/checklistItems.js of the component REST API. Performing a manipulation of the argument item.cardId/item.checklistId/card.boardId results in improper authorization. Remote exploitation of the attack is possible. Upgrading to version 8.21 will fix this issue. The patch is named 251d49eea94834cf351bb395808f4a56fb4dbb44. Upgrading the affected component is recommended.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (14.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.7% 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: +0.000
Affected products
- Wekan Project
- Wekan — versions 8.0, 8.1, 8.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/wekan/wekan/commit/251d49eea94834cf351bb395808f4a56fb4dbb44 (Patch, patch)
- github.com/wekan/wekan/releases/tag/v8.21 (Product, Release Notes, patch)
- github.com/wekan/wekan/ (Product, product)
Frequently asked questions
- What is CVE-2026-1894?
- CVE-2026-1894 is a medium-severity vulnerability in Wekan Project, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-02-04.
- How severe is CVE-2026-1894?
- Medium severity. CVSS v3 base score is 6.3 out of 10.