HIGHnpm

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

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

CVE-2026-59973Published 4 days agoUpdated 4 days agoSource: OSV

Affected packages

  • @frontmcp/adapters
  • frontmcp
  • mcp-from-openapi

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
EPSS percentile

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.