Critical Malicious Code Vulnerability in bundle-typer Package
Summary
MAL-2025-16344: Malicious code in bundle-typer (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The bundle-typer package is a utility in the npm ecosystem designed to assist developers in managing and bundling types for JavaScript applications. It is widely used for its simplicity and effectiveness in type management. However, it has recently been identified to harbor malicious code, posing significant risks to applications that rely on it.
Vulnerability Detail
The vulnerability in the bundle-typer package stems from the inclusion of malicious code that can compromise the security of applications using this package. This code can potentially lead to unauthorized access, data breaches, or other malicious activities. The vulnerability 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 bundle-typerIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, users may consider removing the bundle-typer package from their project until a secure version is released. This can be done using the command: npm uninstall bundle-typer. Alternatively, you can explore other packages that provide similar functionality without the associated risks.
Conclusion
The discovery of malicious code in the bundle-typer package highlights the importance of vigilance in managing open-source dependencies. Users are urged to take immediate action by updating or removing the package to safeguard their applications.
See every vulnerability recorded for bundle-typer →
FAQ
The bundle-typer package is an npm utility that helps developers manage and bundle types for JavaScript applications.
The malicious code can lead to unauthorized access and potential data breaches, compromising the security of applications.
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.
Currently, there is no patched version available. Users should monitor updates and apply them as soon as they are released.
If immediate removal is not possible, consider isolating the package's usage and monitoring your application closely for any suspicious activity.
