GO-2026-6039 Gitea: SSRF via Migration Asset Downloads Bypasses hostmatcher — Reads Internal Files and Cloud Metadata in gitea.dev

Gitea: SSRF via Migration Asset Downloads Bypasses hostmatcher — Reads Internal Files and Cloud Metadata in gitea.dev...

Gitea: SSRF via Migration Asset Downloads Bypasses hostmatcher — Reads Internal Files and Cloud Metadata

Summary Gitea has robust SSRF protection via hostmatcher.NewDialContext for webhook and migration clone URLs, which validates resolved IPs at the TCP dial level. However, three code paths use raw http.Get Go's DefaultClient which completely bypasses this protection, enabling SSRF to internal...