tocsin

CVE-2026-59973

3 advisories.

npm/mcp-from-openapi CVE-2026-59973: high 8.5, EPSS 0.39%

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

Action: Upgrade mcp-from-openapi to 2.5.0 or later.

npm i mcp-from-openapi@2.5.0

Affected

introducedfixedlast affected
2.3.02.5.0-

Fixed versions

2.5.0

Sources

CVE-2026-59973 · published · modified · JSON

npm/@frontmcp/adapters 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/adapters to 1.5.0 or later.

npm i @frontmcp/adapters@1.5.0

Affected

introducedfixedlast affected
1.2.11.5.0-

Fixed versions

1.5.0

Sources

CVE-2026-59973 · published · modified · JSON

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