tocsin

npm/frontmcp CVE-2026-59973: high 8.5, EPSS 0.39%

FrontMCP and mcp-from-openapi have bypass of OpenAPI external $ref SSRF fix

Action: Upgrade frontmcp to 1.5.0 or later.

npm i frontmcp@1.5.0

Affected

introducedfixedlast affected
1.2.11.5.0-

Fixed versions

1.5.0

Sources

CVE-2026-59973 · published · modified · JSON