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.
History

Tue, 05 May 2026 22:00:00 +0000

Type Values Removed Values Added
First Time appeared N8n
N8n n8n
Vendors & Products N8n
N8n n8n

Tue, 05 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 04 May 2026 19:00:00 +0000

Type Values Removed Values Added
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.
Title n8n: Python Task Runner Sandbox Escape
Weaknesses CWE-94
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-05-04T18:36:55.630Z

Updated: 2026-05-05T12:40:54.516Z

Reserved: 2026-04-25T05:37:12.117Z

Link: CVE-2026-42234

cve-icon Vulnrichment

Updated: 2026-05-05T12:40:51.929Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-05-04T19:16:06.017

Modified: 2026-05-05T19:38:32.193

Link: CVE-2026-42234

cve-icon Redhat

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