Malicious Code Detected in common-server-utils Package

common-server-utils Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-17431: Malicious code in common-server-utils (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The common-server-utils package is a utility library designed for server-side applications in the Node.js ecosystem. It provides various functions to streamline server operations, making it a popular choice among developers. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that utilize it.

Vulnerability Detail

The vulnerability in the common-server-utils package stems from the inclusion of malicious code that can compromise the security of applications using this library. This code may allow unauthorized access, data breaches, or other harmful actions that can severely impact the integrity and confidentiality of the affected systems. The malicious code was introduced in version 0 and has been confirmed by security researchers.

How To Fix

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

npm uninstall common-server-utils

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

If an immediate update is not feasible, consider temporarily removing the common-server-utils package from your project until a secure version is available. You can do this by running: npm uninstall common-server-utils. This will help mitigate the risk of exploitation while you seek a proper fix.

Conclusion

The discovery of malicious code in the common-server-utils package highlights the importance of maintaining secure dependencies in software projects. Developers are urged to update their packages promptly and utilize tools like Vulert to monitor for vulnerabilities effectively.

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FAQ

common-server-utils is a utility library for Node.js applications that provides various server-side functionalities.

The malicious code was identified by security researchers from Amazon Inspector, who reported it as part of their findings on open-source vulnerabilities.

The risks include unauthorized access to sensitive data, potential data breaches, and overall compromise of application security.

You can use Vulert, which monitors open-source vulnerabilities in real-time. By analyzing your package-lock.json file, Vulert can alert you to any vulnerabilities, including this one.

Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

How To Fix

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

npm uninstall common-server-utils

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 →

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