Auth bypass in Kanbn Kan
CVE-2026-92802
kan through 0.6.0 fails to properly validate board creation permissions in the GitHub project import endpoint, allowing guests to create boards despite lacking board:create permission. Attackers can bypass authorization checks by using the importProjects mutation to create boards while remaining blocked on direct creation paths.
Vulnerability class: Broken Access Control
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
- disclosure@vulncheck.com (issue-tracking)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92802?
- CVE-2026-92802 is a medium-severity vulnerability in Kanbn Kan, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-09-16.
- How severe is CVE-2026-92802?
- Medium severity. CVSS v3 base score is 4.3 out of 10.