Malicious Code Detected in bunker-cache Package
Summary
MAL-2025-16346: Malicious code in bunker-cache (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The bunker-cache package is an npm library designed for caching purposes, allowing developers to store and retrieve data efficiently. It is commonly used in various Node.js applications to enhance performance by reducing the need for repeated data fetching. However, this package has been found to contain malicious code, posing a significant security risk to applications that utilize it.
Vulnerability Detail
The vulnerability in the bunker-cache package stems from the inclusion of malicious code that can compromise the security of applications using this library. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The issue was introduced in version 0 and affects all subsequent versions, making it critical for users to take immediate action to mitigate the risks associated with this vulnerability.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall bunker-cacheIf 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 temporary workaround, consider removing the bunker-cache package from your project until a secure version is released. You can do this by executing the command: 'npm uninstall bunker-cache'. This will prevent any potential exploitation of the vulnerability while you await a fix.
Conclusion
The discovery of malicious code in the bunker-cache package highlights the importance of regularly monitoring and updating open-source dependencies. Users must take immediate action to protect their applications by updating or removing the affected package. Utilizing tools like Vulert can help in identifying vulnerabilities in real-time.
See every vulnerability recorded for bunker-cache →
FAQ
bunker-cache is an npm package used for caching data in Node.js applications, enhancing performance by reducing data fetching.
The malicious code can lead to unauthorized access and data breaches, posing significant security risks to applications using the package.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
As of now, a patched version has not been released. Users are advised to monitor the package repository for updates.
If you cannot update the package, consider uninstalling it temporarily to mitigate the risk until a secure version is available.
