Malicious Code Injection in hidden_eagle-silentdev Package
Summary
MAL-2025-103711: Malicious code in hidden_eagle-silentdev (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 hidden_eagle-silentdev 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 code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from the hidden_eagle-silentdev package, which includes scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially affecting other developers by inflating reputation scores dishonestly. The malicious payload poses risks such as unauthorized access to sensitive information and the potential for further exploitation within the ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall hidden_eagle-silentdevIf 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 the hidden_eagle-silentdev package by using npm's package-lock.json file to lock down your dependencies. Additionally, consider using a tool like Vulert to 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 hidden_eagle-silentdev package poses a significant risk due to its malicious code that alters package metadata and pollutes the npm registry. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.
See every vulnerability recorded for hidden_eagle-silentdev →
FAQ
It is an npm package associated with the tea.xyz token reward campaign that has been identified as containing malicious code.
The malicious code modifies your package.json file, removes private flags, and continuously republishes variants, which can lead to pollution of the npm registry and potential security risks.
You should uninstall the hidden_eagle-silentdev package immediately and check your package-lock.json for any references to it.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
