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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-42234

n8n: Python Task Runner Sandbox Escape

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

n8n-io n8n

  • < 1.123.32affected
  • >= 2.17.0, < 2.17.4affected
  • >= 2.18.0, < 2.18.1affected

References