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CVE-2026-42233 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: May 6, 2026

n8n - SQL Injection

Published: May 4, 2026Updated: May 6, 2026Remote Exploitable

Overview

n8n < 1.123.32, < 2.17.4, and < 2.18.1 contains a SQL injection caused by unsanitized user input in the Oracle Database node's Limit field, letting attackers execute arbitrary SQL and exfiltrate data, exploit requires external input in workflows.

Severity & Score

Severity: Critical

CVSS Score: 9.8

Impact

Attackers can execute arbitrary SQL queries to exfiltrate data from the connected Oracle database.

Mitigation

Upgrade to versions 1.123.32, 2.17.4, or 2.18.1 or later.

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-r6jc-mpqw-m755

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-42233
Severity: Critical
CVSS Score: 9.8
Type: sql_injection
Status: confirmed

CWE

CWE-89

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H