Malicious Code Detected in big-lambda-report-transpile-beta Package

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-15670: Malicious code in big-lambda-report-transpile-beta (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The big-lambda-report-transpile-beta package is an npm library designed for transpiling code in serverless applications. It is utilized to streamline the development process by allowing developers to write modern JavaScript while ensuring compatibility with older environments. However, this package has been found to contain malicious code, posing a significant risk to users who integrate it into their projects.

Vulnerability Detail

The vulnerability in the big-lambda-report-transpile-beta package originates from the inclusion of malicious code that can compromise the security of applications using this library. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The malicious nature of this code makes it imperative for developers to take immediate action to protect their applications.

How To Fix

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

npm uninstall big-lambda-report-transpile-beta

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

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Workaround

If an immediate update is not feasible, consider removing the package from your project until a safe version is released. You can do this by executing: npm uninstall big-lambda-report-transpile-beta.

Conclusion

The discovery of malicious code in the big-lambda-report-transpile-beta package highlights the importance of vigilance when using open-source libraries. Developers should take immediate action to update or remove the affected package to safeguard their applications.

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FAQ

It is an npm library used for transpiling code in serverless applications.

The package contains code that can compromise application security, potentially leading to unauthorized access or data breaches.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without signup.

Check the package's repository for any updates or patches that address the vulnerability.

Consider uninstalling the package until a safe version is released to mitigate risks.

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How To Fix

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

npm uninstall big-lambda-report-transpile-beta

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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