Malicious Code Detected in funrun Package - Security Alert
Summary
MAL-2025-21057: Malicious code in funrun (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 funrun package is an npm library designed for running functions in a fun and interactive manner. It is commonly used in web development to enhance user experience through dynamic functionalities. However, it has been identified to contain malicious code, posing significant security risks to applications that utilize it.
Vulnerability Detail
The vulnerability in the funrun package originates from the inclusion of malicious code that can compromise the security of applications using this library. This code can potentially lead to unauthorized access, data breaches, or other malicious activities. The issue affects all versions starting from 0, 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 funrun
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 temporary measure, consider removing the funrun package from your project until a secure version is released. You can uninstall it using the command: npm uninstall funrun.
Conclusion
The funrun package has been identified to contain malicious code, posing a serious threat to applications that utilize it. Users are urged to update or remove the package to mitigate risks. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
See every vulnerability recorded for funrun →
FAQ
funrun is an npm library used for enhancing web applications with interactive functionalities.
The funrun package contains malicious code that can compromise application security.
You can use Vulert to monitor and alert for vulnerabilities in your application. Visit Vulert Scanner to check if your application is affected without any signup.
As a workaround, consider removing the funrun package from your project until a secure version is available.
Detailed information about this vulnerability can be found on the GitHub repository of the malicious packages project.