Malicious Code Injection in promising_marmot_0xrequest Package
Summary
MAL-2025-107348: Malicious code in promising_marmot_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The promising_marmot_0xrequest package is part of the npm ecosystem, typically used for various JavaScript 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 manipulate developer reputation scores through automated publishing scripts.
Vulnerability Detail
The vulnerability originates from the malicious intent behind the promising_marmot_0xrequest package, which modifies the package.json file to remove private flags and alters version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This can lead to security risks, including the potential for unauthorized access to sensitive data and the compromise of application integrity.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall promising_marmot_0xrequestIf 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 prevent the installation of this malicious package by using npm's package-lock.json to monitor and restrict the use of vulnerable packages. Additionally, you can utilize Vulert to check if your application is affected by this vulnerability without requiring code access. Visit https://vulert.com/scanner to use the Vulert playground for real-time monitoring.
Conclusion
The promising_marmot_0xrequest package poses a significant security risk due to its malicious code designed to manipulate npm registry entries. It is crucial to take immediate action by updating or removing the package to safeguard your application from potential threats.
See every vulnerability recorded for promising_marmot_0xrequest →
FAQ
It is an npm package that has been identified as part of a malicious campaign to manipulate developer reputation scores.
The vulnerability can lead to unauthorized access to sensitive data and compromise the integrity of your application.
You should update the package to a patched version or remove it entirely from your project.
You can use Vulert, which monitors your package-lock.json for vulnerabilities in real-time without requiring code access.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application.
