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CVE-2025-68668— n8n Vulnerable to Arbitrary Command Execution in Pyodide based Python Code Node

Quick assessment

Affected
n8n-io n8n
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

n8n是n8n开源的一个可扩展的工作流自动化工具。 n8n 1.0.0版本至2.0.0之前版本存在安全漏洞，该漏洞源于Python Code Node存在沙箱绕过问题，可能导致执行任意命令。

CVSS 9.9 · Critical EPSS 13.36% · P96
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I. Basic Information for CVE-2025-68668

Vulnerability Information
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Vulnerability Title
n8n Vulnerable to Arbitrary Command Execution in Pyodide based Python Code Node
Source: CVE Program / CVE List V5
Vulnerability Description
n8n is an open source workflow automation platform. From version 1.0.0 to before 2.0.0, a sandbox bypass vulnerability exists in the Python Code Node that uses Pyodide. An authenticated user with permission to create or modify workflows can exploit this vulnerability to execute arbitrary commands on the host system running n8n, using the same privileges as the n8n process. This issue has been patched in version 2.0.0. Workarounds for this issue involve disabling the Code Node by setting the environment variable NODES_EXCLUDE: "[\"n8n-nodes-base.code\"]", disabling Python support in the Code node by setting the environment variable N8N_PYTHON_ENABLED=false, which was introduced in n8n version 1.104.0, and configuring n8n to use the task runner based Python sandbox via the N8N_RUNNERS_ENABLED and N8N_NATIVE_PYTHON_RUNNER environment variables.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
Vulnerability Title
n8n 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
n8n是n8n开源的一个可扩展的工作流自动化工具。 n8n 1.0.0版本至2.0.0之前版本存在安全漏洞，该漏洞源于Python Code Node存在沙箱绕过问题，可能导致执行任意命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
n8n-io n8n >= 1.0.0, < 2.0.0 -

II. Public POCs for CVE-2025-68668

# POC Description Source Link Shenlong Link
1 None https://github.com/Threekiii/Awesome-POC/blob/master/Web%E5%BA%94%E7%94%A8%E6%BC%8F%E6%B4%9E/n8n%20Pyodide%20%E6%B2%99%E7%AE%B1%E9%80%83%E9%80%B8%E5%AF%BC%E8%87%B4%E8%BF%9C%E7%A8%8B%E4%BB%A3%E7%A0%81%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E%20CVE-2025-68668.md POC Details
2 This project was built during the Cryptonic Area Cybersecurity Virtual Internship Program. This is a study of a n8n vulnerability (CVE-2025-68668) https://github.com/eshan014/Internship_project_02 POC Details
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III. Intelligence Information for CVE-2025-68668

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Vendor Advisories for CVE-2025-68668 (1)

Same Patch Batch · n8n-io · 2025-12-26 · 3 CVEs total

CVE-2025-61914 7.3 HIGH n8n's Possible Stored XSS in "Respond to Webhook" Node May Execute Outside iframe Sandbox
CVE-2025-68697 7.1 HIGH Self-hosted n8n has Legacy Code node that enables arbitrary file read/write

IV. Related Vulnerabilities

Same product: n8n
Same vendor: n8n-io
Same weakness: CWE-693

V. Comments for CVE-2025-68668

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