Malicious Code Injection in kentung-75 Package - npm Vulnerability
Summary
MAL-2025-157559: Malicious code in kentung-75 (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The kentung-75 package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious scripts that compromise the integrity of the npm registry.
Vulnerability Detail
The vulnerability in the kentung-75 package stems from its malicious code, which modifies the package.json file by removing private flags and altering version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior not only affects the integrity of the npm ecosystem but also poses a risk to developers who may unknowingly use these compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall kentung-75If 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 avoid using the kentung-75 package and monitor your dependencies for any instances of this package. Additionally, consider using tools like Vulert to monitor your package-lock.json file for vulnerabilities.
Conclusion
The kentung-75 package has been identified as a malicious entity within the npm ecosystem, posing significant risks to developers and the integrity of the npm registry. Immediate action is required to remove this package and monitor for any vulnerabilities in your dependencies.
See every vulnerability recorded for kentung-75 →
FAQ
The kentung-75 package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project's dependencies.
You should uninstall the kentung-75 package immediately using 'npm uninstall kentung-75' and monitor your dependencies for any further issues.
Yes, you can use Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
