Malicious Code Detected in mfe-react-bridge: Version 99.0.1 Compromised
Summary
MAL-2025-3865: Malicious code in mfe-react-bridge (npm). Affects mfe-react-bridge versions 99.0.1. 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 'mfe-react-bridge' package is a JavaScript library used in React applications to facilitate communication between micro-frontends. It is designed to enhance modularity and improve the user experience by allowing different parts of an application to be developed and deployed independently. However, version 99.0.1 has been flagged for malicious activity, raising concerns about its security and integrity.
Vulnerability Detail
The vulnerability in 'mfe-react-bridge' stems from its ability to communicate with a domain linked to malicious activities. This behavior indicates that the package may execute harmful commands, potentially compromising the security of applications that utilize it. The OpenSSF Package Analysis project identified this issue, highlighting the risks associated with using this specific version of the package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mfe-react-bridgeIf 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 'mfe-react-bridge' package from your project until a secure version is released. You can do this by running the command: npm uninstall mfe-react-bridge.
Conclusion
The 'mfe-react-bridge' package version 99.0.1 has been identified as malicious, posing significant security risks to applications that utilize it. It is crucial to update or remove the package to safeguard your application. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
See every vulnerability recorded for mfe-react-bridge →
FAQ
The package communicates with a domain associated with malicious activity and may execute harmful commands.
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.
Consider removing the package from your project as a temporary measure until a secure version is available.
Utilize tools like Vulert to monitor your package-lock.json file for real-time alerts on vulnerabilities.
Regularly audit your dependencies and use tools that can alert you to vulnerabilities as they arise.
