CVE-2026-3683: bufanyun HotGo Endpoint upload.go ImageTransferStorage server-side request forgery

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-08 · updated 2026-06-17
Weakness: CWE-918

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.

Affected products

bufanyun HotGo: 2.0

References

https://github.com/CC-T-454455/Vulnerabilities/tree/master/hotgo/vulnerability-1
https://vuldb.com/?ctiid.349585
https://vuldb.com/?id.349585
https://vuldb.com/?submit.765588

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