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@modelcontextprotocol php-sdk

CVE-2026-53965 Medium 6.9 MCP PHP SDK: Unbounded SSE buffer in HttpTransport enables client-side denial of service 0.6%

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Exploit-availability signals from CVSS-BT by Stephen Shaffer (MIT license), which aggregates Metasploit (BSD), Nuclei templates (MIT), PoC-in-GitHub (CC0) and NVD (public domain).

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