PYSEC-2026-3569 Flyto2 Core: Guarded HTTP modules follow redirects into internal space without per-hop SSRF revalidation

Summary The HTTP modules that DO call the SSRF guard http.get, http.request, http.batch validate only the initial URL, then issue the request with aiohttp's default allowredirects=True and perform no per-hop revalidation. An attacker hosts a public URL that 302-redirects to an internal address; t...