# mcp-from-openapi (npm) vulnerabilities

2 known vulnerabilities (2 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 2.9.1 (Oct 20, 2026): no advisory affects it
- Newest unaffected release: 2.9.1 (Oct 20, 2026), the latest release
- Weekly downloads: 18.8K
- Dependents: 4
- Releases: 17 since 0.0.1 (Nov 19, 2025)
- Registry: https://www.npmjs.com/package/mcp-from-openapi
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-59973: 2.3.0 to 2.4.0 (2.5.0 is outside it)
- CVE-2026-39885: 0.0.1 to 2.2.0 (2.3.0 is outside it)

## Advisories (2)

### [CVE-2026-59973](https://cve.now/CVE-2026-59973): mcp-from-openapi: Bypass of OpenAPI external $ref SSRF fix in latest FrontMCP and mcp-from-openapi

- Severity: High 8.5
- Published: Sep 15, 2026
- Affected: from 2.3.0, fixed in 2.5.0.
- Fixed in 2.5.0 (released Jun 21, 2026, 86 days before disclosure).
- The latest release, 2.9.1, is not affected.
- 2.7% of mcp-from-openapi downloads last week were affected versions (480).

### [CVE-2026-39885](https://cve.now/CVE-2026-39885): FrontMCP Affected by SSRF via $ref Dereferencing in Untrusted OpenAPI Specifications

- Severity: High 7.5
- Published: Apr 8, 2026
- Affected: fixed in 2.3.0.
- Fixed in 2.3.0 (released Apr 8, 2026, the day of disclosure).
- The latest release, 2.9.1, is not affected.
- 3.9% of mcp-from-openapi downloads last week were affected versions (693).

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