GO-2026-5259 Ech0 has Server-Side Request Forgery (SSRF) via Connect Handler fetchPeerConnectInfo in github.com/lin-snow/ech0

Ech0 has Server-Side Request Forgery SSRF via Connect Handler fetchPeerConnectInfo in github.com/lin-snow/ech0...

GHSA-8MC6-XJPR-H98X Ech0 has Server-Side Request Forgery (SSRF) via Connect Handler fetchPeerConnectInfo

Summary The fetchPeerConnectInfo function in internal/service/connect/connect.go:214-239 uses httpUtil.SendRequest no SSRF protection instead of SendSafeRequest which has ValidatePublicHTTPURL with private IP blocking. This allows authenticated users to make the server request arbitrary URLs...