HIGH 7.0 NVD
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 express
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.
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-micros
This high severity vulnerability with a CVSS score of 7.0 was published on 2026-10-14 via NVD.
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