Critical Malicious Code Vulnerability in n8n-performance-metrics Package

n8n-performance-metrics Updated 06 Jan 2026

Summary

06/01/2026
CRITICAL
No i
Critical
Not published

MAL-2026-69: Malicious code in n8n-performance-metrics (npm). Affected versions are not published. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored MarkAI Find prospects already talking about the problem you solve AI watches the communities your customers use to find qualified prospects, then alerts you when a conversation is worth joining. See MarkAI

Background

The n8n-performance-metrics package is an npm module designed to enhance the performance monitoring capabilities of n8n, an open-source workflow automation tool. This package is intended for developers looking to track and optimize the performance of their n8n workflows. However, it has been found to contain malicious code that compromises the security of any system where it is installed.

Vulnerability Detail

The vulnerability originates from the inclusion of malicious code within the n8n-performance-metrics package. This code can grant unauthorized access to the system, allowing attackers to potentially control the affected machine. The ramifications of this vulnerability are severe, as it can lead to data breaches, loss of sensitive information, and complete system compromise. Users are advised to treat any system with this package installed as fully compromised, necessitating immediate action to secure their environment.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall n8n-performance-metrics

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

There are no effective workarounds for this vulnerability other than removing the package entirely. Ensure that you monitor your systems for any unusual activity after removal.

Conclusion

The n8n-performance-metrics package contains malicious code that poses a serious security threat to any system where it is installed. Users must take immediate action to remove the package and secure their systems. Regular monitoring of dependencies is essential to prevent future vulnerabilities.

See every vulnerability recorded for n8n-performance-metrics →

Share this vulnerability

FAQ

Immediately uninstall the package using 'npm uninstall n8n-performance-metrics' and rotate any sensitive credentials stored on the affected machine.

You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

Keeping this package installed poses significant risks, including unauthorized access to your system, data breaches, and potential loss of sensitive information.

Regularly monitor your dependencies using tools like Vulert, which can alert you to open-source vulnerabilities in real-time.

Vulert is a service that monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file, ensuring you stay informed about potential security risks.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall n8n-performance-metrics

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback