Auth bypass in Wekan
CVE-2026-30843
Wekan is an open source kanban tool built with Meteor. Versions 8.32 and 8.33 have a critical Insecure Direct Object Reference (IDOR) issue which could allow unauthorized users to modify custom fields across boards through its custom field…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.002 (12.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Wekan — versions >= 8.32, < 8.34
- Wekan_project Wekan — versions 8.32, 8.33
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-30843?
- CVE-2026-30843 is a medium-severity vulnerability in Wekan, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-03-06.
- How severe is CVE-2026-30843?
- Medium severity. CVSS v3 base score is 6.5 out of 10.