Malicious Code Detected in cofeescript Package - Security Alert
Summary
MAL-2025-17262: Malicious code in cofeescript (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The cofeescript package is a JavaScript compiler that allows developers to write CoffeeScript, a language that compiles into JavaScript. It is widely used in web development for its concise syntax and powerful features. 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 cofeescript package originates from the inclusion of malicious code that can compromise the security of applications using it. This code may lead to unauthorized access, data breaches, or other malicious activities. The issue affects all versions starting from 0, making it critical for developers to take immediate action to safeguard their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall cofeescriptIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you may consider removing the cofeescript package from your project until a secure version is available. You can do this by executing the command: npm uninstall cofeescript.
Conclusion
The discovery of malicious code in the cofeescript package highlights the importance of maintaining secure coding practices and regularly updating dependencies. Developers are urged to take immediate action to protect their applications by updating or removing the affected package.
See every vulnerability recorded for cofeescript →
FAQ
Cofeescript is a JavaScript compiler that allows developers to write in CoffeeScript, which is then converted to JavaScript for execution.
The malicious code found in the cofeescript package can lead to unauthorized access and potential data breaches.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without requiring any signup.
Yes, a patched version of the cofeescript package is available. It is recommended to update to the latest version to mitigate the risk.
If you cannot update the package right away, consider removing it from your project as a temporary measure to protect your application.
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