Medium (AgentArmorHQ estimate)Sandbox escape

n8n: computer-use Shell Sandbox Not Enforced on Linux and Windows

Product
n8n (@n8n/computer-use)
CVE
CVE-2026-65590
Affected
n8n < 2.29.8 and >= 2.30.0, < 2.30.1
Fixed in
2.29.8 and 2.30.1

Last verified against sources: October 26, 2026

Am I affected?

n8n (@n8n/computer-use): affected n8n < 2.29.8 and >= 2.30.0, < 2.30.1. Fixed in 2.29.8 and 2.30.1.

  • Check your version: run npm ls n8n. Versions >= 2.30.0, < 2.30.1 of n8n are affected. [1]

What to do now

  1. Upgrade to the fixed version: run npm install n8n@2.30.1 (first patched version 2.30.1). [1]
  2. Upgrade to n8n 2.29.8 or 2.30.1 or later. [1]
  3. Disable or avoid deploying the @n8n/computer-use package on Linux or Windows hosts until the fix is applied. [1]
  4. Restrict access to the n8n instance and the computer-use agent to fully trusted users only. [1]

General practice, not from the source: if the affected software could read tokens or credentials, rotate them after upgrading; pin versions and review changes before updating tools your agents run.

Discuss this incident

What happened

  • The shell tool in the @n8n/computer-use package applied its sandbox restrictions only on macOS. [1]
  • On Linux and Windows, shell commands executed by the tool ran without any filesystem or network restrictions. [1]
  • This issue only affects deployments where the @n8n/computer-use package is explicitly installed and running. [1]

Impact

  • Shell commands executed by the tool ran without any filesystem or network restrictions, allowing unrestricted access to the host filesystem and network from within the computer-use agent process. [1]

What was done

  • The issue has been fixed in n8n versions 2.29.8 and 2.30.1. [1]
  • The fix adds sandbox enforcement on Linux via bubblewrap and disables the shell tool entirely when a working sandbox cannot be established. [1]
  • An explicit opt-out flag (--dangerously-disable-shell-sandbox) is available for deployments that require unsandboxed shell access and accept the associated risk. [1]

Sources

  1. GHSA-fpg6-x68q-5793 — GitHub Advisory Database

Every statement above was checked against these sources before publishing. Spotted an error? Tell us and we will correct it with a dated note.

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Brief
[CVE-2026-65590] n8n: computer-use Shell Sandbox Not Enforced on Linux and Windows
Product: n8n (@n8n/computer-use) | Affected: n8n < 2.29.8 and >= 2.30.0, < 2.30.1 | Fixed in: 2.29.8 and 2.30.1
Summary: The shell tool in the `@n8n/computer-use` package applied its sandbox restrictions only on macOS.
Source & remediation on AgentArmorHQ: https://agentarmorhq.com/incidents/2026/07/cve-2026-65590-n8n-n8n-computer-use
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