CVE-2026-56351 — n8n - SQL Injection in MySQL, PostgreSQL, and Microsoft SQL Nodes
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 une…
Published: 2026-06-24 · CVSS: 5.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7