SCA: security update for @modelcontextprotocol/express, @modelcontextprotocol/sdk, @modelcontextprotocol/server, @modelcontextprotocol/server-legacy (GHSA-rvq5-wwqv-78pq)

medium Tenable Self-Hosted Container Security Plugin ID 476375

Description

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

CVE-2026-111771

Solution

Update the @modelcontextprotocol/sdk library and its related packages to version 1.32.0 or later.

See Also

https://github.com/advisories/GHSA-rvq5-wwqv-78pq

Plugin Details

Severity: Medium

ID: 476375

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/20/2026

Updated: 10/20/2026

Risk Information

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 4.9

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

CVSS Score Source: CVE-2026-111771

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/20/2026

Vulnerability Publication Date: 10/20/2026

Reference Information

CVE: CVE-2026-111771

cwe: CWE-863