Auth bypass in Kanboard
CVE-2026-25531
Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, The fix for CVE-2023-33968 is incomplete. The TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projec…
Vulnerability class: Broken Access Control
EPSS: 0.002 (12.8th percentile) — read the EPSS interpretation.
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:N/I:L/A:N.
Affected products
- Kanboard — versions < 1.2.50
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-25531?
- CVE-2026-25531 is a medium-severity vulnerability in Kanboard, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-13.
- How severe is CVE-2026-25531?
- Medium severity. CVSS v3 base score is 4.3 out of 10.