Malicious Code Detected in cli-h2-test Package - Security Alert
Summary
MAL-2025-17106: Malicious code in cli-h2-test (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The cli-h2-test package is an npm module designed for testing HTTP/2 features in command-line environments. It is intended for developers looking to experiment with HTTP/2 protocols. However, this package has been found to contain malicious code, posing significant security risks to users who integrate it into their applications.
Vulnerability Detail
The vulnerability originates from the inclusion of malicious code within the cli-h2-test package. This code can potentially compromise the security of applications that utilize this package, leading to unauthorized access, data breaches, or other malicious activities. The issue affects all versions starting from its introduction, making it critical for users to address this vulnerability promptly.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall cli-h2-testIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, users can avoid using the cli-h2-test package and look for alternative packages that provide similar functionality without the associated risks. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities.
Conclusion
The discovery of malicious code in the cli-h2-test package highlights the importance of vigilance when using open-source software. Users are urged to remove this package from their projects and monitor for updates or alternatives to ensure the security of their applications.
See every vulnerability recorded for cli-h2-test →
FAQ
cli-h2-test is an npm package designed for testing HTTP/2 features in command-line environments.
The specific nature of the malicious code has not been disclosed, but it poses significant security risks to applications using the package.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Remove the cli-h2-test package from your project immediately and monitor your application for any unusual activity.
Yes, consider looking for other npm packages that provide similar HTTP/2 testing functionalities without the security risks.
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Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
