Auth bypass in Wekan Project
CVE-2026-1897
A vulnerability was found in WeKan up to 8.20. Affected by this issue is some unknown functionality of the file server/methods/positionHistory.js of the component Position-History Tracking. The manipulation results in missing authorization. The attack may be performed from remote. Upgrading to version 8.21 can resolve this issue. The patch is identified as 55576ec17722db094835470b386162c9a662fb60. It is advisable to upgrade the affected component.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · 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/55576ec17722db094835470b386162c9a662fb60 (Patch, patch)
- github.com/wekan/wekan/releases/tag/v8.21 (Release Notes, patch)
- github.com/wekan/wekan/ (Product, product)
Frequently asked questions
- What is CVE-2026-1897?
- CVE-2026-1897 is a medium-severity vulnerability in Wekan Project, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-05.
- How severe is CVE-2026-1897?
- Medium severity. CVSS v3 base score is 4.3 out of 10.