Malicious Code Detected in atom-shell-starter Package

atom-shell-starter Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-15021: Malicious code in atom-shell-starter (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The atom-shell-starter package is a tool designed to help developers create applications using the Electron framework. It simplifies the setup process for building cross-platform desktop applications with web technologies. However, this package has been found to contain malicious code, raising significant security concerns for users who rely on it for their development needs.

Vulnerability Detail

The vulnerability in the atom-shell-starter package stems from the inclusion of malicious code that can compromise the security of applications built using this package. This code can potentially lead 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 atom-shell-starter

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 workaround, developers can consider using alternative packages that provide similar functionality without the associated risks. For example, they can explore other Electron starter templates or frameworks that are actively maintained and have a good security track record.

Conclusion

The discovery of malicious code in the atom-shell-starter package poses a serious threat to developers and their applications. It is essential to take immediate action by removing the package and seeking secure alternatives to ensure the safety and integrity of your projects.

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FAQ

The atom-shell-starter package is a tool for creating applications using the Electron framework, aimed at simplifying the development process for cross-platform desktop applications.

The malicious code found in atom-shell-starter can lead to unauthorized access and potential data breaches, posing significant security risks to applications built with this package.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By using the Vulert playground, you can check if your application is affected by this vulnerability without needing to sign up.

Currently, there is no patched version of the atom-shell-starter package available. It is recommended to remove the package and use a secure alternative.

If you have used atom-shell-starter, it is crucial to remove it from your project immediately and replace it with a secure alternative to mitigate any potential security risks.

How To Fix

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

npm uninstall atom-shell-starter

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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