Malicious Code Detected in @zalastax/nolb-react-a2 Package
Summary
MAL-2025-13659: Malicious code in @zalastax/nolb-react-a2 (npm). Affected versions are not published. No fix is published. How to fix ↓
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.
No signup required · Results in about 60 seconds
Background
The @zalastax/nolb-react-a2 package is a JavaScript library designed for building user interfaces in React applications. It provides various components and utilities that enhance the development experience. However, the package has been found to contain malicious code, posing a significant risk to developers and users who integrate it into their projects.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the @zalastax/nolb-react-a2 package. This code can potentially compromise the security of applications that utilize this package, 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 take immediate action.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @zalastax/nolb-react-a2If 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 workaround, consider using alternative packages that provide similar functionality without the associated risks. Review your project's dependencies and replace @zalastax/nolb-react-a2 with a more secure option.
Conclusion
The discovery of malicious code in the @zalastax/nolb-react-a2 package highlights the importance of vigilance in managing open-source dependencies. Developers should take immediate action to remove the affected package and monitor for updates or alternatives to ensure the security of their applications.
See every vulnerability recorded for @zalastax/nolb-react-a2 →
FAQ
The malicious code can execute unauthorized actions within applications, potentially leading to data theft or system compromise.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without any signup.
Immediately uninstall the package and consider using an alternative library until a secure version is released.
Regularly audit your dependencies and utilize tools like Vulert to monitor for vulnerabilities in your open-source packages.
Detailed information can be found in the vulnerability report on GitHub at https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@zalastax/nolb-react-a2/MAL-2025-13659.json.
