Malicious Code Injection in nurul-pecel35-breki Package

nurul-pecel35-breki Updated 12 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-74659: Malicious code in nurul-pecel35-breki (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The nurul-pecel35-breki package is part of the npm ecosystem, often utilized in various JavaScript projects. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with numerous packages. This package, like others in the campaign, is designed to manipulate developer reputation scores by automatically generating and publishing derivative packages with randomized names.

Vulnerability Detail

The vulnerability in the nurul-pecel35-breki package stems from its malicious code that modifies the package.json file. It removes private flags, alters version numbers, and generates random package names, leading 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 in their applications.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall nurul-pecel35-breki

If 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 avoid using the nurul-pecel35-breki package and look for alternative packages that provide similar functionality without the associated risks. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities.

Conclusion

The nurul-pecel35-breki package contains malicious code that poses significant risks to developers and their applications. It is crucial to remove this package and monitor your projects for vulnerabilities to maintain security and integrity.

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FAQ

It is an npm package associated with the tea.xyz token reward campaign, known for generating and publishing malicious derivative packages.

The vulnerability can lead to the inclusion of malicious code in your application, which may compromise its security and integrity.

You should uninstall the package immediately and check your application for any potential security issues.

You can use Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access or installation.

Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall nurul-pecel35-breki

If 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 →

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