Improper Verification of Source of a Communication Channel Affecting npm package, versions <1:11.11.0-1.24.14.1.2.module+el8.10.0+24190+49a46c75


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0% (1st percentile)

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  • Snyk IDSNYK-CENTOS8-NPM-15894072
  • published15 Apr 2026
  • disclosed30 Mar 2026

Introduced: 30 Mar 2026

CVE-2026-21711  (opens in a new tab)
CWE-940  (opens in a new tab)

How to fix?

Upgrade Centos:8 npm to version 1:11.11.0-1.24.14.1.2.module+el8.10.0+24190+49a46c75 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream npm package and not the npm package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A flaw in Node.js Permission Model network enforcement leaves Unix Domain Socket (UDS) server operations without the required permission checks, while all comparable network paths correctly enforce them.

As a result, code running under --permission without --allow-net can create and expose local IPC endpoints, allowing communication with other processes on the same host outside of the intended network restriction boundary.

This vulnerability affects Node.js 25.x processes using the Permission Model where --allow-net is intentionally omitted to restrict network access. Note that --allow-net is currently an experimental feature.

CVSS Base Scores

version 3.1