CVE-2026-5029-Exploit

🔥 CVE-2026-5029 — Code Runner MCP Server RCE Unauthenticated Remote Code Execution via the run-code MCP Tool Proof of Concept exploit for CVE-2026-5029 — a critical unauthenticated Remote Code Execution vulnerability in Code Runner MCP Server, triggered via the MCP tool when the server is run wit...

CVE-2026-5029

A remote code execution vulnerability exists in Code Runner MCP Server when run with the --transport http option, which exposes the /mcp JSON-RPC endpoint without authentication on port 3088. An unauthenticated remote attacker can invoke the run-code MCP tool to supply arbitrary source code and...

CVE-2026-5029 RCE in Code Runner MCP Server

A remote code execution vulnerability exists in Code Runner MCP Server when run with the --transport http option, which exposes the /mcp JSON-RPC endpoint without authentication on port 3088. An unauthenticated remote attacker can invoke the run-code MCP tool to supply arbitrary source code and...