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.

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 f…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.001 (16.0th 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)

CWE-918 — Server-Side Request Forgery (SSRF)

References

VDB-349585 | bufanyun HotGo Endpoint upload.go ImageTransferStorage server-side request forgery (technical-description, vdb-entry)
VDB-349585 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #765588 | bufanyun HotGo <= v2.0 Server-Side Request Forgery (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.