Malicious Code Injection in ocha-mangut20-riris: A Threat to npm Users
Summary
MAL-2025-89005: Malicious code in ocha-mangut20-riris (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
ocha-mangut20-riris is an npm package that is part of the tea.xyz token reward campaign. It is designed to facilitate the automatic generation and publication of derivative packages. However, this package has been identified as malicious, containing scripts that manipulate package metadata and flood the npm registry with spammy packages, potentially harming developers' reputations and the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability stems from the inclusion of malicious code within the ocha-mangut20-riris package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the continuous republishing of these variants. The origin of this issue is linked to a broader campaign that aims to inflate developer reputation scores for token rewards, posing risks of registry pollution and developer trust erosion.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall ocha-mangut20-ririsIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, avoid using the ocha-mangut20-riris package and consider using alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which analyzes your package-lock.json file for real-time alerts on open-source vulnerabilities.
Conclusion
The ocha-mangut20-riris package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial for developers to uninstall this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.
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FAQ
ocha-mangut20-riris is an npm package associated with the tea.xyz token reward campaign, designed to automate the publication of packages.
The malicious code modifies your package.json file, potentially leading to the removal of private flags and the introduction of spammy package names, which can harm your project's integrity.
You should uninstall the package immediately using 'npm uninstall ocha-mangut20-riris' and monitor your project for any further vulnerabilities.
You can use Vulert, which allows you to monitor your package-lock.json file for open-source vulnerabilities in real-time without needing to access your code or install additional software.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
