Malicious Code Injection in willowy_hyena_0xrequest Package
Summary
MAL-2025-110944: Malicious code in willowy_hyena_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The willowy_hyena_0xrequest package is part of the npm ecosystem, often utilized in JavaScript applications for various functionalities. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages. These packages are designed to inflate developer reputation scores through automated publishing scripts, which can lead to significant security risks.
Vulnerability Detail
The vulnerability stems from the malicious code embedded within the willowy_hyena_0xrequest package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, which can lead to the proliferation of harmful packages in the npm registry. The origin of this vulnerability is linked to a campaign aimed at exploiting the npm ecosystem for token rewards, posing risks such as reputation damage for developers and potential security breaches in applications using these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall willowy_hyena_0xrequestIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can prevent the installation of this malicious package by using npm's package-lock.json to monitor dependencies. Ensure that your project does not include willowy_hyena_0xrequest in its dependencies. You can also use the following command to audit your project for vulnerabilities: 'npm audit'.
Conclusion
The willowy_hyena_0xrequest package poses a significant security risk due to its malicious code designed to manipulate the npm registry. It is crucial for developers to remove this package from their projects and utilize tools like Vulert to monitor for vulnerabilities effectively.
See every vulnerability recorded for willowy_hyena_0xrequest →
FAQ
It is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.
The vulnerability can lead to the proliferation of malicious packages, potentially compromising the security and integrity of your application.
You should uninstall the package immediately using 'npm uninstall willowy_hyena_0xrequest' and check for any dependencies that may have been affected.
Yes, tools like Vulert can help monitor and alert you in real-time for open-source vulnerabilities in your software without requiring access to the code.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
