Malicious Code Injection in tuti-ubi97-breki Package - npm Vulnerability

tuti-ubi97-breki Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-75801: Malicious code in tuti-ubi97-breki (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The tuti-ubi97-breki package is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign aimed at inflating developer reputation scores through the automatic generation and publication of derivative packages. The vulnerability stems from the package's design, which allows for the execution of harmful scripts that manipulate package metadata.

Vulnerability Detail

The vulnerability in the tuti-ubi97-breki package originates from its association with the tea.xyz token reward campaign. It includes scripts that automatically modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior leads to the pollution of the npm registry with numerous malicious variants, potentially compromising the integrity of the ecosystem and affecting developers who rely on these packages.

How To Fix

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

npm uninstall tuti-ubi97-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 →

Workaround

As a temporary workaround, you can prevent the installation of this package by using npm's package-lock.json to monitor dependencies. Additionally, consider using tools like Vulert to continuously monitor your project for vulnerabilities. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner without any signup.

Conclusion

The tuti-ubi97-breki package poses a significant risk due to its malicious code that manipulates package metadata and pollutes the npm registry. It is crucial for developers to be vigilant and remove this package from their projects to maintain the integrity of their applications.

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FAQ

The tuti-ubi97-breki package is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores.

The vulnerability can lead to the pollution of the npm registry, potentially compromising the integrity of your project and exposing it to further risks.

You should uninstall the tuti-ubi97-breki package immediately and check for any dependencies that may rely on it.

Currently, there is no patched version available for the tuti-ubi97-breki package. The best course of action is to uninstall it.

You can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time. You can also check your application using the Vulert playground.

How To Fix

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

npm uninstall tuti-ubi97-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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