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 unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply...

CVE-2026-54310

CVE-2026-54310 affects n8n, specifically the TimescaleDB and legacy Postgres v1 nodes. An authenticated user who can create or modify workflows could supply crafted parameters to these nodes, enabling arbitrary SQL injection and execution against the connected database within the privileges of th...

GHSA-C37G-W77Q-M4VP n8n: SQL Injection in Postgres v1/TimesclaeDB Nodes

Impact An authenticated user with permission to create or modify workflows could supply a crafted parameters to the TimescaleDB and/or legacy Postgres v1 node's allowing arbitrary SQL to be injected and executed against the connected database within the privileges of the configured database...

SQL Injection

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...