N8N · N8N · CVE-2026-42234
**Name of the Vulnerable Software and Affected Versions**
n8n versions prior to 1.123.32
n8n versions prior to 2.17.4
n8n versions prior to 2.18.1
**Description**
An authenticated user with permissions to create or modify workflows containing a Python Code Node can escape the sandbox to achieve arbitrary code execution on the task runner container. This issue specifically affects instances where the Python Task Runner is enabled.
**Recommendations**
Update to version 1.123.32.
Update to version 2.17.4.
Update to version 2.18.1.
As a temporary mitigation, disable the Python Task Runner.