CVE-2026-56351
High · 8.2CVSS
8.2
EPSS
0.4%
Published
Jun 24, 2026
CISA due date
—
The record
n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitrary SQL through unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply specially crafted table or column names to execute unauthorized database commands and compromise data integrity.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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Related vulnerabilities
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