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SQL Injection Affecting n8n-nodes-base package, versions <2.4.0

Severity

 Recommended
0.0
medium
0
10

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  • Snyk IDSNYK-JS-N8NNODESBASE-15360949
  • published27 Feb 2026
  • disclosed26 Feb 2026
  • creditPawel Bednarz
Report a new vulnerability Found a mistake?

Introduced: 26 Feb 2026

New CVE NOT AVAILABLE CWE-89  (opens in a new tab)

How to fix?

Upgrade n8n-nodes-base to version 2.4.0 or higher.

Overview

n8n-nodes-base is a Base nodes of n8n

Affected versions of this package are vulnerable to SQL Injection via the MySQL, PostgreSQL, and Microsoft SQL nodes due to improper escaping of identifier values. An attacker can execute arbitrary SQL commands by supplying specially crafted table or column names through node configuration parameters.

Workaround

This vulnerability can be mitigated by limiting workflow creation and editing permissions to fully trusted users only, or by disabling the MySQL, PostgreSQL, and Microsoft SQL nodes via the NODES_EXCLUDE environment variable.

CVSS Base Scores

version 4.0
version 3.1