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Protection Mechanism Failure Affecting n8n package, versions <2.23.2-r0

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.49% (39th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-N8N-17134447
  • published3 Jun 2026
  • disclosed12 Jun 2026
Report a new vulnerability Found a mistake?

Introduced: 3 Jun 2026

NewCVE-2026-47139  (opens in a new tab)
CWE-693  (opens in a new tab)

How to fix?

Upgrade Minimos:latest n8n to version 2.23.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream n8n package and not the n8n package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, NodeVM supports excluding public network builtins from the wildcard builtin option. With this configuration direct access to http, https, http2, net, dgram, tls, dns, and dns/promises is blocked. However, Node.js also exposes underscored internal HTTP builtins such as _http_client and _http_server. These are not blocked when the public modules are excluded. Sandboxed code can use these internal builtins to make outbound HTTP requests and open listening HTTP sockets even though the public network modules are denied. This issue has been patched in version 3.11.4.