Malicious Code Detected in proleis-rest-client: A Critical Security Alert
Summary
MAL-2026-1823: Malicious code in proleis-rest-client (npm). Affects proleis-rest-client versions 10.0.0 – 10.1.0. No fix is published. How to fix ↓
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Background
proleis-rest-client is an npm package designed for making RESTful API calls in JavaScript applications. It simplifies the process of interacting with web services by providing a straightforward interface for sending requests and handling responses. However, recent findings have revealed that this package is compromised, exposing users to potential security threats.
Vulnerability Detail
The vulnerability stems from malicious code embedded within the proleis-rest-client package. This code can lead to unauthorized access, data breaches, or other harmful actions within applications that utilize this package. The affected versions include 10.0.0, 10.0.1, and 10.1.0, which were identified as being compromised by ReversingLabs. Users of these versions are at risk and should take immediate action to mitigate potential damage.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall proleis-rest-clientIf 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 proleis-rest-client package from their project until a secure version is confirmed. This can be done using the following command: npm uninstall proleis-rest-client. Alternatively, consider using a different package that offers similar functionality without the associated risks.
Conclusion
The discovery of malicious code in the proleis-rest-client package poses a significant threat to users. It is crucial to take immediate action by updating to a secure version or removing the package until a fix is confirmed. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
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FAQ
proleis-rest-client is an npm package that facilitates RESTful API interactions in JavaScript applications.
You can check if your application is affected by using Vulert, which monitors and alerts for open-source vulnerabilities. Visit Vulert Scanner to use the Vulert playground without signup.
If you are using an affected version (10.0.0, 10.0.1, or 10.1.0), you should update to the latest version of the proleis-rest-client package immediately.
Using the compromised package can lead to unauthorized access to your application, data breaches, and other security vulnerabilities.
Yes, you can use Vulert to monitor your project for vulnerabilities in real-time by analyzing your package-lock.json file.
