Remote Code Execution in n8n Workflow Automation Tool by n8n
CVE-2026-119408

8.7HIGH

Key Information:

Vendor

N8n-io

Status
N8n
Vendor
CVE Published:
30 October 2026

What is CVE-2026-119408?

The n8n workflow automation platform has a remote code execution vulnerability that allows authenticated users to exploit deprecated Function nodes. This risk arises when users create or modify workflows that utilize hidden node types, enabling the execution of arbitrary JavaScript code within the main process of n8n. To mitigate this issue, users should upgrade to the patched versions 2.42.6, 2.43.3 or 3.0.1, which address this security flaw.

Affected Version(s)

n8n 2.43.0 < 2.43.3

n8n 0 < 2.42.6

n8n 3.0.0 < 3.0.1

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-9p...
vendor-advisory
https://github.com/n8n-io/n8n/commit/ea8417e29ad6f8b981d9...
patch
https://github.com/n8n-io/n8n/blob/n8n@2.42.0/packages/no...
technical-description

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abraxas Labs
mfsiega
.