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I. Basic Information for CVE-2026-3683
Vulnerability Information

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Vulnerability Title
bufanyun HotGo Endpoint upload.go ImageTransferStorage server-side request forgery
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
HotGo-V2 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HotGo-V2是孟帅个人开发者的一个二次开发框架。 HotGo 2.0及之前版本存在代码问题漏洞,该漏洞源于对组件Endpoint的文件/server/internal/logic/common/upload.go中函数ImageTransferStorage的错误操作,可能导致服务端请求伪造。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
bufanyunHotGo 2.0 -
II. Public POCs for CVE-2026-3683
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III. Intelligence Information for CVE-2026-3683
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