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Advisories

n8n before 2.41.4 and 2.42.1 SQL Injection via Microsoft SQL Node Query Field

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Severity
high
Date
Affecting

  • n8n >= 0, < 2.41.4

  • n8n >= 2.42.0, < 2.42.1

CWE
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVSS
7.0
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:L
Credit
vonypeto
Description
n8n before 2.41.4 and 2.42.x before 2.42.1 contains an SQL injection vulnerability in version 1 of the Microsoft SQL node, which substitutes Query field expression values directly into SQL text without parameterisation. When a workflow binds untrusted input such as webhook fields to the Query field, unauthenticated external callers can execute arbitrary SQL against the connected database with the stored credential's privileges.

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