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

Weakness classification (CWE)

References

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.