Arbitrary Argument Injection Affecting n8n-nodes-base package, versions <1.121.29>=2.0.0-rc.0 <2.20.4>=2.21.0 <2.21.1
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Test your applications- Snyk IDSNYK-JS-N8NNODESBASE-16726423
- published17 May 2026
- disclosed14 May 2026
- creditSimon Köck
Introduced: 14 May 2026
NewCVE-2026-44790 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade n8n-nodes-base to version 1.121.29, 2.20.4, 2.21.1 or higher.
Overview
n8n-nodes-base is a Base nodes of n8n
Affected versions of this package are vulnerable to Arbitrary Argument Injection in a push operation. A user with permission to create or modify workflows can read arbitrary files on the server by injecting CLI flags during workflow creation or modification.
Workaround
This vulnerability can be mitigated but not obviated by disabling the Git node by adding n8n-nodes-base.git to the NODES_EXCLUDE environment variable.