CVE-2026-42234 — n8n: Python Task Runner Sandbox Escape
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 containin…
Published: 2026-05-04 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7