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CVE-2026-42233

n8n: SQL Injection in Oracle Database Node via Limit Field

Published: May 4, 2026Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-89
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.3%
Top 77.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, a flaw in the Oracle Database node's select operation allowed user-controlled input passed into the Limit field via expressions to be interpolated directly into the SQL query without sanitization or parameterization. In workflows where external input is passed into the Limit field (e.g., from a webhook), an attacker could inject arbitrary SQL and exfiltrate data from the connected Oracle database. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-89

Affected Products

n8nn8n
Mixed
Cloud & SaaS / saas-application
N8nСообщество свободного программного обеспечения
On-premLibrary
OSS Libraries / generic-library
n8nn8n-io
Mixed
Cloud & SaaS / saas-application
n8noss-projectCloud & SaaS
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
n8n-iocommercialDECloud & SaaSaka n8n

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-r6jc-mpqw-m755
github.com
https://github.com/n8n-io/n8n/security/advisories/GHSA-r6jc-mpqw-m755
github.com
https://vuldb.com/ru/vuln/360995
vuldb.com

Timeline

Published
May 4, 2026
Last Updated
May 6, 2026

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