Malicious Code Detected in guppy-dev Package - Version 2.0.0
Summary
MAL-2025-6933: Malicious code in guppy-dev (npm). Affects guppy-dev versions >= 2.0.0. No fix is published. How to fix ↓
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Background
The guppy-dev package is an npm library designed for developers to facilitate certain functionalities in their applications. It is widely used in the JavaScript ecosystem for its ease of integration and utility. However, version 2.0.0 of this package has been flagged for containing malicious code that communicates with a domain associated with harmful activities, posing a significant risk to users and their applications.
Vulnerability Detail
The vulnerability in the guppy-dev package originates from version 2.0.0, where it executes commands linked to malicious behavior. This can lead to unauthorized access, data breaches, or the execution of harmful scripts within the user's environment. The package's interaction with a malicious domain raises concerns about the integrity and security of applications utilizing this package, potentially compromising sensitive information and system stability.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall guppy-devIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can remove the guppy-dev package from your project until a secure version is available. Use the following command to uninstall it: 'npm uninstall guppy-dev'. This will prevent any potential malicious activity associated with the package.
Conclusion
The guppy-dev package version 2.0.0 has been identified as malicious due to its execution of harmful commands and communication with a malicious domain. Users are strongly advised to update to a secure version or remove the package to protect their applications from potential threats.
See every vulnerability recorded for guppy-dev →
FAQ
Guppy-dev is an npm package used by developers to enhance functionality in their applications, but version 2.0.0 has been identified as malicious.
The vulnerability can lead to unauthorized access and execution of harmful scripts, potentially compromising your application's security and data integrity.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Yes, updating to a patched version of the guppy-dev package is recommended to mitigate the vulnerability.
If an immediate update is not possible, consider uninstalling the package as a temporary measure to prevent any malicious activity.
