Critical Malicious Code Vulnerability in bunker-cat Package
Summary
MAL-2025-16347: Malicious code in bunker-cat (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The bunker-cat package is an npm library designed for various utility functions in JavaScript applications. It is widely used for its simplicity and effectiveness in managing tasks related to data handling and manipulation. However, it has been identified to contain malicious code that poses a significant risk to users and their applications.
Vulnerability Detail
The vulnerability in the bunker-cat package originates from the inclusion of malicious code that can compromise the security of applications utilizing this package. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The vulnerability affects all versions starting from 0, 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 bunker-catIf 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 can remove the bunker-cat package from their projects until a secure version is released. This can be done by executing the command: 'npm uninstall bunker-cat'.
Conclusion
The bunker-cat package has been identified to contain malicious code, posing a serious threat to applications that utilize it. Users are urged to take immediate action by updating or uninstalling the package until a secure version is released. Monitoring tools like Vulert can assist in identifying vulnerabilities in your applications.
See every vulnerability recorded for bunker-cat →
FAQ
Bunker-cat is an npm package used for utility functions in JavaScript applications, but it has been found to contain malicious code.
The malicious code can lead to unauthorized access and potential data breaches, compromising the security of your application.
You should immediately update or uninstall the bunker-cat package to mitigate the risk posed by the vulnerability.
Currently, there is no patched version available. Users are advised to monitor the official repository for updates.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
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