Critical Malicious Code Vulnerability in test-bugbounty-package-9
Summary
MAL-2026-1863: Malicious code in test-bugbounty-package-9 (npm). Affects test-bugbounty-package-9 versions 99.99.99. No fix is published. How to fix ↓
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Background
The test-bugbounty-package-9 is an npm package designed for testing purposes in bug bounty programs. It provides tools and utilities that help security researchers identify vulnerabilities in applications. However, this package has been compromised, introducing malicious code that can lead to severe security risks for users who integrate it into their projects.
Vulnerability Detail
The vulnerability stems from the inclusion of malicious code in version 99.99.99 of the test-bugbounty-package-9. This code can execute unauthorized actions on the user's system, potentially leading to data breaches, unauthorized access, or system compromise. The malicious package was identified by ReversingLabs and is documented in their findings, indicating a significant threat to users who may unknowingly use this package in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall test-bugbounty-package-9
If 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 test-bugbounty-package-9 package altogether until a secure version is confirmed. If the package is essential, consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The test-bugbounty-package-9 has been compromised with malicious code, posing significant risks to users. Immediate action is required to remove the affected version and update to a secure version. Users are encouraged to monitor their applications for vulnerabilities using tools like Vulert.
See every vulnerability recorded for test-bugbounty-package-9 →
FAQ
It is an npm package designed for testing in bug bounty programs, providing tools for security researchers.
The vulnerability involves malicious code that can execute unauthorized actions, posing a risk to user systems.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without signing up.
Remove the affected version and update to the latest secure version of the package as soon as possible.
The vulnerability was identified by ReversingLabs, a security research organization.