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Description

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the fix for GHSA-f3f2-mcxc-pwjx did not cover the Snowflake node or the legacy MySQL v1 node. Both nodes construct SQL queries by directly interpolating user-controlled table names, column names, and update keys into query strings without identifier escaping, enabling SQL injection against the connected database. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.

PUBLISHED Reserved 2026-04-25 | Published 2026-05-04 | Updated 2026-05-04 | Assigner GitHub_M




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

Problem types

CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Product status

< 1.123.32
affected

>= 2.17.0, < 2.17.4
affected

>= 2.18.0, < 2.18.1
affected

References

github.com/...io/n8n/security/advisories/GHSA-hp3c-vfpm-q4f7

cve.org (CVE-2026-42237)

nvd.nist.gov (CVE-2026-42237)

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