Detections
Analytics

SCA: security update for @frontmcp/adapters, @frontmcp/sdk, mcp-from-openapi (GHSA-v6ph-xcq9-qxxj)

high Tenable Self-Hosted Container Security Plugin ID 440040

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - FrontMCP is a TypeScript-first framework for the Model Context Protocol (MCP). Prior to 2.3.0, the mcp-
 from-openapi library uses @apidevtools/json-schema-ref-parser to dereference $ref pointers in OpenAPI
 specifications without configuring any URL restrictions or custom resolvers. A malicious OpenAPI
 specification containing $ref values pointing to internal network addresses, cloud metadata endpoints, or
 local files will cause the library to fetch those resources during the initialize() call. This enables
 Server-Side Request Forgery (SSRF) and local file read attacks when processing untrusted OpenAPI
 specifications. This vulnerability is fixed in 2.3.0. (CVE-2026-39885)

Solution

Update the @frontmcp/adapters library and its related packages to version 1.0.4 or later.

See Also

https://github.com/advisories/GHSA-v6ph-xcq9-qxxj

Plugin Details

Severity: High

ID: 440040

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 4/8/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.32

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-39885

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/8/2026

Vulnerability Publication Date: 4/8/2026

Reference Information

CVE: CVE-2026-39885

cwe: CWE-918