n8n: Python sandbox escape

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 bee...

PT-2026-53034

Impact An authenticated user with permission to create or modify workflows containing a Python Code node could bypass the AST security validator and access the task executor module namespace. On self-hosted instances where N8N BLOCK RUNNER ENV ACCESS=false is set, this extended to disclosure of...

PT-2026-50150

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.48 n8n versions prior to 2.21.8 n8n versions prior to 2.22.4 Description An authenticated user with permissions to create or modify workflows containing a Python Code Node can escape the sandbox to achieve arbitrary...

CVE-2026-42234

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 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 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...

EUVD-2026-27109

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...

n8n code injection vulnerability

n8n is an open-source, scalable workflow automation tool developed by n8n. Versions of n8n prior to 1.123.32, 2.17.4, and 2.18.1 contained a code injection vulnerability. This vulnerability stems from workflows that include Python Code Nodes, allowing authenticated users to escape the sandbox and...

CVE-2026-42234: Improper Control of Generation of Code

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...

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...

CVE-2026-27494

n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could use the Python Code node to escape the sandbox. The sandbox did not sufficiently restrict access to certain built-in Python...

CVE-2026-27494

CVE-2026-27494 affects the open-source workflow platform n8n. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could use the Python Code node to escape the sandbox, gaining access to built-in Python objects and potentially exfiltra...

CVE-2026-27494 n8n has Arbitrary File Read via Python Code Node Sandbox Escape

n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could use the Python Code node to escape the sandbox. The sandbox did not sufficiently restrict access to certain built-in Python...

CVE-2026-27494 n8n has Arbitrary File Read via Python Code Node Sandbox Escape

n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could use the Python Code node to escape the sandbox. The sandbox did not sufficiently restrict access to certain built-in Python...

CVE-2026-27494 n8n has Arbitrary File Read via Python Code Node Sandbox Escape

n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could use the Python Code node to escape the sandbox. The sandbox did not sufficiently restrict access to certain built-in Python...

GHSA-MMGG-M5J7-F83H n8n has Arbitrary File Read via Python Code Node Sandbox Escape

Impact An authenticated user with permission to create or modify workflows could use the Python Code node to escape the sandbox. The sandbox did not sufficiently restrict access to certain built-in Python objects, allowing an attacker to exfiltrate file contents or achieve RCE. On instances using...

n8n has Arbitrary File Read via Python Code Node Sandbox Escape

Impact An authenticated user with permission to create or modify workflows could use the Python Code node to escape the sandbox. The sandbox did not sufficiently restrict access to certain built-in Python objects, allowing an attacker to exfiltrate file contents or achieve RCE. On instances using...