Malicious Code Detected in @zalastax/nolb-node-cj Package

@zalastax/nolb-node-cj Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-12607: Malicious code in @zalastax/nolb-node-cj (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 @zalastax/nolb-node-cj package is an npm library designed for specific functionalities within Node.js applications. It is utilized by developers for its ease of integration and utility in managing certain tasks. However, this package has been flagged for containing malicious code, posing a significant risk to applications that depend on it.

Vulnerability Detail

The vulnerability stems from the presence of malicious code within the @zalastax/nolb-node-cj package. This code can compromise the security of applications using this package, potentially leading to unauthorized access, data breaches, or other malicious activities. The issue was introduced in version 0 and affects all subsequent versions, making it critical for users to address this vulnerability promptly.

How To Fix

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

npm uninstall @zalastax/nolb-node-cj

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

As a temporary measure, consider replacing the functionality provided by @zalastax/nolb-node-cj with alternative packages that do not have known vulnerabilities. Review your project's dependencies and ensure that you are using secure and trusted libraries.

Conclusion

The discovery of malicious code in the @zalastax/nolb-node-cj package highlights the importance of regularly auditing dependencies in software projects. It is crucial to take immediate action to remove the affected package and monitor for any potential impacts on your application.

See every vulnerability recorded for @zalastax/nolb-node-cj →

Share this vulnerability

FAQ

The malicious code can perform unauthorized actions within your application, potentially leading to data theft or system compromise.

You can use Vulert, which monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.

Yes, you can remove the affected package and replace it with a secure alternative while monitoring your application for any suspicious activity.

Immediately uninstall the package from your application and assess any potential impacts. Consider rolling back to a previous version or using an alternative package.

Yes, the vulnerability was introduced in version 0 and affects all subsequent versions of the @zalastax/nolb-node-cj package.

How To Fix

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

npm uninstall @zalastax/nolb-node-cj

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