Forwarded from Taiwan Computer Network Crisis Management and Coordination Center: Cybersecurity Alert TWCERTCC-200-202602-00000004

[Description]
n8n is an open-source workflow automation tool that uses a visual drag-and-drop interface to connect various applications, automating repetitive tasks without requiring code.

A major cybersecurity vulnerability announcement was recently released (CVE-2026-1470, CVSS 4.x: 9.4). This vulnerability allows an authenticated attacker with permissions to create or modify workflows to trigger unauthorized system commands on the n8n host using specially crafted workflow parameter expressions.

[Affected Platforms]
n8n versions prior to 1.123.17 (excluding 1.123.17)
n8n versions prior to 2.5.2 (excluding 2.5.2)

[Recommended Actions]
Please update to the following versions:
n8n versions 1.123.17 and later
n8n versions 2.5.2 and later

[References]
1. https://www.twcert.org.tw/tw/cp-169-10696-c7fdb-1.html