CVE-2026-92802

medium

Description

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.

References

https://www.vulncheck.com/advisories/kan-through-0.6.0-authorization-bypass-via-github-project-import

https://github.com/kanbn/kan/issues/628

https://github.com/kanbn/kan/blob/v0.6.0/packages/api/src/routers/import.ts#L622-L670

https://github.com/kanbn/kan/blob/f08920d/packages/api/src/routers/import.ts#L259

https://github.com/kanbn/kan

Details

Source: Mitre, NVD

Published: 2026-09-16

Updated: 2026-09-22

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00213