CVE-2026-39885 FrontMCP Affected by SSRF via $ref Dereferencing in Untrusted OpenAPI Specifications

FrontMCP is a TypeScript-first framework for the Model Context Protocol MCP. Prior to 2.3.0, the mcp-from-openapi library uses @apidevtools/json-schema-ref-parser to dereference $ref pointers in OpenAPI specifications without configuring any URL restrictions or custom resolvers. A malicious OpenA...