SSRF in Bufanyun Hotgo
CVE-2026-3683
A vulnerability was detected in bufanyun HotGo up to 2.0. This issue affects the function ImageTransferStorage of the file /server/internal/logic/common/upload.go of the component Endpoint. The manipulation results in server-side request forgery. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.002 (10.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Bufanyun Hotgo — versions 2.0
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-3683?
- CVE-2026-3683 is a medium-severity vulnerability in Bufanyun Hotgo, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-03-08.
- How severe is CVE-2026-3683?
- Medium severity. CVSS v3 base score is 6.3 out of 10.