Malicious Code Injection in free_wolf_0xrequest Package
Summary
MAL-2025-102914: Malicious code in free_wolf_0xrequest (npm). Affected versions are not published. 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 free_wolf_0xrequest package is part of the npm ecosystem, often utilized in JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with various packages. This package, like others in the campaign, is designed to manipulate developer reputation scores through automated publishing of derivative packages.
Vulnerability Detail
The vulnerability in the free_wolf_0xrequest package stems from its malicious code that modifies the package.json file. It removes private flags, alters version numbers, and generates random package names, which leads to the continuous republishing of variants. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, potentially leading to security breaches and loss of control over their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall free_wolf_0xrequestIf 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, you can avoid using the free_wolf_0xrequest package altogether and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package-lock.json file for any changes that may indicate the presence of malicious packages.
Conclusion
The free_wolf_0xrequest package contains a serious vulnerability that can compromise your application's security. It is essential to uninstall this package and monitor your dependencies for any malicious activity. Utilizing tools like Vulert can help you stay informed about potential vulnerabilities in your projects.
See every vulnerability recorded for free_wolf_0xrequest →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, often used in JavaScript applications.
The vulnerability can lead to the modification of your package.json file, potentially compromising your application's integrity and security.
You should uninstall the package immediately and check for any other affected dependencies in your project.
Yes, you can use Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
