CVE-2026-110628
CRITICAL8.6CVSS v3
—CVSS v2
0.43%
EPSS (exploit probability)
CWE-918CWE
Description
Kan 0.5.5 through 0.6.0 contains an unauthenticated server-side request forgery vulnerability in the /api/download/attatchment route due to an incomplete fix for CVE-2026-32255. When S3_ENDPOINT is unset, attackers can pass arbitrary url query parameters to fetch() to read internal services, localhost ports, and cloud instance metadata.
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Affected routers (0)
No routers currently mapped to this CVE in our database.