MCP Run Python Deno Sandbox Misconfiguration Allows SSRF Attacks via Localhost Access

ImpactServer-Side Request Forgery SSRF:A security vulnerability exists in the mcp-run-python tool specifically within the Pydantic-AI integration due to an overly permissive Deno sandbox configuration.The tool configures the Deno runtime—which is intended to isolate the execution of untrusted...