{"id":"CVE-2026-110628","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-110628","summary":"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…","details":"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.","published":"2026-10-14T15:17:15.540","modified":"2026-10-14T15:17:15.653","cvss":{"score":8.6,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/kanbn/kan/commit/53397d8e81dc1494d94132848c1f0416f1152bd7","label":"kanbn/kan@53397d8"},"references":[{"type":"WEB","url":"https://github.com/kanbn/kan"},{"type":"WEB","url":"https://github.com/kanbn/kan/blob/v0.6.0/.env.example#L25-L27"},{"type":"WEB","url":"https://github.com/kanbn/kan/blob/v0.6.0/apps/web/src/pages/api/download/attatchment.ts#L21-L52"},{"type":"WEB","url":"https://github.com/kanbn/kan/commit/53397d8e81dc1494d94132848c1f0416f1152bd7"},{"type":"WEB","url":"https://github.com/kanbn/kan/pull/590"},{"type":"WEB","url":"https://github.com/kanbn/kan/security/advisories/GHSA-qrx8-9hc6-jvqg"},{"type":"WEB","url":"https://hackmd.io/@leediay/HyIxU63ofg"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/kan-0.5.5-through-0.6.0-unauthenticated-ssrf-via-api-download-attatchment"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-14T15:17:15.653"}}