Malicious Code Detected in apps-script-oauth2 Package

apps-script-oauth2 Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-14738: Malicious code in apps-script-oauth2 (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The apps-script-oauth2 package is a popular npm library designed to facilitate OAuth2 authentication for Google Apps Script applications. It provides developers with a streamlined way to manage OAuth2 tokens and integrate with various Google services. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that utilize it.

Vulnerability Detail

The vulnerability in the apps-script-oauth2 package stems 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 malicious activities. The issue was introduced in version 0 and affects all subsequent versions, making it critical for developers to address this vulnerability promptly.

How To Fix

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

npm uninstall apps-script-oauth2

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

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Workaround

As a temporary measure, you can remove the apps-script-oauth2 package from your project until a secure version is released. To do this, run the command: 'npm uninstall apps-script-oauth2'. Consider using alternative libraries for OAuth2 authentication in the meantime.

Conclusion

The discovery of malicious code in the apps-script-oauth2 package highlights the importance of regularly monitoring and updating dependencies in software projects. Developers should take immediate action to mitigate risks associated with this vulnerability by updating or removing the affected package.

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FAQ

The malicious code can lead to unauthorized access and potential data breaches in applications that use this package.

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

Currently, there is no patched version available. It is recommended to monitor the package repository for updates.

As a workaround, consider uninstalling the package and using alternative libraries for OAuth2 authentication until a secure version is released.

The vulnerability was identified by Amazon Inspector, a service that helps in finding security issues in applications.

How To Fix

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

npm uninstall apps-script-oauth2

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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