SQL Injection in N8n-Io N8n
CVE-2026-110840
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.
Vulnerability class: SQL Injection
Published · last modified .
EPSS exploit prediction
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Affected products
Weakness classification (CWE)
References
- github.com/n8n-io/n8n/security/advisories/GHSA-5qpp-pqww-h7fp (vendor-advisory)
- www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.1-sql-injection-via-mic… (third-party-advisory)