CVE-2026-3683 | bufanyun HotGo up to 2.0 Endpoint upload.go ImageTransferStorage server-side request forgery

A vulnerability was found in bufanyun HotGo up to 2.0 and classified as critical. 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.

This vulnerability is cataloged as CVE-2026-3683. The attack may be launched remotely. Furthermore, there is an exploit available.

The vendor was contacted early about this disclosure but did not respond in any way.