p PatchFirst

CVE-2026-56351

CVE-2026-56351 · n8n - SQL Injection in MySQL, PostgreSQL, and Microsoft SQL Nodes

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 5.3 · Medium · EPSS 0.4% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • n8n

    Versions
    • ≥ 0, < 2.4.0: Affected (semver)
    • 2.4.0: Not affected (semver)

    Update to 2.4.0

  • n8n npm

    Affected ranges
    • SEMVER: < 2.4.0

    Update to 2.4.0

Original sources

Check your server →