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CVE-2026-110840

CVE-2026-110840 · n8n before 2.41.4 and 2.42.1 SQL Injection via Microsoft SQL Node Query Field

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 7.0 · High · EPSS 0.3% · Fix available

Published
Updated

Affected products and versions

  • n8n

    Versions
    • ≥ 0, < 2.41.4: Affected (semver)
    • ≥ 2.42.0, < 2.42.1: Affected (semver)

    Update to 2.41.4; Update to 2.42.1

Original sources

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