CVE-2026-56351CWE-89

n8n - SQL Injection in MySQL, PostgreSQL, and Microsoft SQL Nodes

Medium · published June 24, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
30.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
EPSS
0.00375 · 30.3th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2026-06-24T11:53Z
EPSS history
Timeline
  • 24 JUN 11:53Z
    n8n - SQL Injection in MySQL, PostgreSQL, and Microsoft SQL Nodes
    cvelistv5