CVE-2026-25115
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
3Description
n8n is an open source workflow automation platform. Prior to version 2.4.8, a vulnerability in the Python Code node allows authenticated users to break out of the Python sandbox environment and execute code outside the intended security boundary. This issue has been patched in version 2.4.8.
Analysis
n8n has a protection mechanism bypass (CVSS 9.9) in the Python sandbox allowing authenticated users to escape code execution restrictions.
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Remediation
Within 24 hours: Inventory all n8n deployments and identify which run versions prior to 2.4.8; restrict Python Code node access to trusted users only and disable the feature if not actively used. Within 7 days: Implement network segmentation to isolate n8n instances and monitor for suspicious activity; engage with n8n team for patch availability timeline. …
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External POC / Exploit Code
Leaving vuln.today
GHSA-8398-gmmx-564h