Critical Malicious Code Vulnerability in zuper-stream Package
Summary
MAL-2025-190862: Malicious code in zuper-stream (npm). Affects zuper-stream versions 2.0.9. No fix is published. How to fix ↓
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Background
The zuper-stream package is a Node.js library designed for streaming data efficiently in various applications. It is widely used in the npm ecosystem for its performance and ease of integration. However, recent findings have revealed that this package contains malicious code, posing significant security risks to any system utilizing it.
Vulnerability Detail
The vulnerability stems from the presence of embedded malicious code within the zuper-stream package, identified as version 2.0.9. This code can compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The origin of this vulnerability is linked to a malicious actor who has exploited the npm ecosystem to distribute harmful software. The ramifications of this vulnerability are severe, as it can lead to complete system compromise and data breaches.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall zuper-streamIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
Currently, there are no effective workarounds for this vulnerability other than removing the package entirely. Users should also monitor their systems for any signs of compromise.
Conclusion
The discovery of malicious code in the zuper-stream package poses a critical threat to users. Immediate action is required to remove the package and secure any sensitive information. Continuous monitoring with tools like Vulert can help prevent future vulnerabilities.
See every vulnerability recorded for zuper-stream →
FAQ
zuper-stream is a Node.js library used for efficient data streaming in applications.
If you have the zuper-stream package version 2.0.9 installed, your system is at risk. You can check your package-lock.json file or use Vulert to monitor vulnerabilities.
Immediately rotate all secrets and keys from a different, secure computer to prevent unauthorized access.
No, there is currently no patched version of the zuper-stream package. The only action is to uninstall it.
Vulert monitors your package-lock.json file for vulnerabilities in real-time, alerting you to any issues without needing access to your code.
