Malicious Code Injection in joni-nasi56-breki Package: A Threat to npm Ecosystem
Summary
MAL-2025-73820: Malicious code in joni-nasi56-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The joni-nasi56-breki package is part of a series of malicious packages that emerged during the tea.xyz token reward campaign. These packages are designed to manipulate the npm registry by creating and publishing numerous derivative packages with randomized names. The primary functionality of this package is to inflate developer reputation scores for token rewards, but it does so through harmful practices that compromise the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in the joni-nasi56-breki package stems from its malicious payload, which modifies the package.json file to remove private flags and alters version numbers. It generates random Indonesian-themed package names and continuously republishes these variants, leading to pollution of the npm registry. This behavior not only affects the reputation of legitimate developers but also poses security risks to applications relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall joni-nasi56-brekiIf 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 dependencies. You can also utilize the following command to audit your project for vulnerabilities: npm audit.
Conclusion
The joni-nasi56-breki package poses a significant threat to the npm ecosystem through its malicious activities. It is essential for developers to be vigilant and take necessary actions to mitigate the risks associated with this vulnerability. By removing the package and utilizing tools like Vulert, developers can better protect their applications from such threats.
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FAQ
The joni-nasi56-breki package is a malicious npm package that is part of a campaign to inflate developer reputation scores through the creation of numerous derivative packages.
This vulnerability can lead to the pollution of the npm registry, potentially introducing security risks and affecting the integrity of your application.
You should remove the joni-nasi56-breki package from your project and update to a secure alternative if available.
You can use tools like 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.
