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Streamable HTTP transport lacks DNS-rebinding (Host/Origin) protection

🗓️ 07 Jul 2026 00:00:00Reported by RubySecType 
rubygems
 rubygems
🔗 rubysec.com👁 7 Views

Streamable HTTP transport does not validate Host or Origin, enabling domain rebinding to access local MCP servers and exfiltrate data.

Related
Detection
Refs
Vulners
Node
rubymcpRange0.23.0

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