CVE-2026-59973

CVE-2026-59973 is a bypass of a prior SSRF fix in FrontMCP 's OpenAPI adapter. The affected packages are mcp-from-openapi (2.3.0–2.5.0) and frontmcp / @frontmcp/adapters (1.2.1–1.5.0). The loadOpenAPISpec() function forwards untrusted OpenAPI URLs to OpenAPIToolGenerator.fromURL() / fromJSON(), w...