CVE-2026-110840

EUVD-2026-101723

14.10.2026, 23:17

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.

SQL Injection

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	UNKNOWN				---

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: 20.3%

Common Weakness Enumeration

CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-5qpp-pqww-h7fp

https://www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.1-sql-injection-via-microsoft-sql-node-query-field