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VULNERABILITIES

CVE-2026-42234 Details

Description

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with permission to create or modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This issue only affects instances where the Python Task Runner is enabled. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/n8n-io/n8n/security/advisories/GHSA-44v6-jhgm-p3m4 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-94Improper Control of Generation of Code ('Code Injection')[email protected]

Affected Products

ProductVersions
n8n n8n
< 1.123.32
>= 2.17.0, < 2.17.4
2.18.0

CPE

  • cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*
  • cpe:2.3:a:n8n:n8n:2.18.0:*:*:*:enterprise:node.js:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-42234
NVD Published Date:
May 4, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-42234 Details - Not Deferred