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OpenAdvisories
High · 7.1 CVE-2026-42234 EUVD-2026-27109GHSA-44v6-jhgm-p3m4

n8n: Python Task Runner Sandbox Escape

Published May 4, 2026 · Updated May 5, 2026 · Assigned by GitHub_M

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

VendorProductAffectedFixed
n8n-io n8n < 1.123.32, >= 2.17.0, < 2.17.4, >= 2.18.0, < 2.18.1 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm n8n < 1.123.32 1.123.32 GHSA-44v6-jhgm-p3m4
npm n8n >= 2.18.0, < 2.18.1 2.18.1 GHSA-44v6-jhgm-p3m4
npm n8n >= 2.17.0, < 2.17.4 2.17.4 GHSA-44v6-jhgm-p3m4

Advisories 1

References