Obsidian-tc HTTP Transport Lacks Origin/DNS-rebinding Protection, Enabling Drive-by Vault Access On Loopback

Impact The Streamable HTTP transport was constructed without "enableDnsRebindingProtection"/"allowedHosts"/"allowedOrigins" and performed no "Origin"-header validation. With the documented "auth.mode: "none"" loopback default, a drive-by web page could "POST http://127.0.0.1/mcp" and receive call...