EUVD-2026-40453

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

CVE-2026-56777 n8n - AST Validator Bypass in Python Code Node

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

Arbitrary Code Execution

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Arbitrary Code Execution in the Python Code node, exploitable when the Python Task Runner is enabled. A user with permission to create or modify workflows can execute arbitrary code on the task runn...

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 containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This...

CVE-2026-42234

CVE-2026-42234 affects n8n, an open‑source workflow automation platform. Before versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user who can create or modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container....

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 containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This...

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 containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This...

PT-2026-36904

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...

GHSA-44V6-JHGM-P3M4 n8n has a Python Task Runner Sandbox Escape Vulnerability

Impact 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. Patches The issue has...