Malicious Code Detected in auth-1s7epg Package - npm Vulnerability

auth-1s7epg Updated 02 Dec 2025

Summary

01/12/2025
CRITICAL
No i
Critical
Not published

MAL-2025-191565: Malicious code in auth-1s7epg (npm). Affects auth-1s7epg versions 1.0.0. No fix is published. How to fix ↓

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Background

The auth-1s7epg package is a Node.js library designed for authentication purposes within applications. It is part of the npm ecosystem, which allows developers to easily integrate third-party packages into their projects. However, this package has been identified as containing malicious code, posing a significant risk to applications that utilize it.

Vulnerability Detail

The vulnerability in the auth-1s7epg package stems from the inclusion of malicious code that can compromise the security of applications using this library. This code can lead to unauthorized access, data breaches, or other malicious activities. The issue was reported by ReversingLabs, highlighting the importance of scrutinizing third-party packages for security risks.

How To Fix

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

npm uninstall auth-1s7epg

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 →

Workaround

As a temporary workaround, consider using an alternative authentication package that is well-reviewed and has a strong security track record. Additionally, you can monitor your application for any suspicious activity while transitioning away from the vulnerable package.

Conclusion

The discovery of malicious code in the auth-1s7epg package underscores the importance of vigilance when using third-party libraries. Developers should prioritize security by regularly updating packages and utilizing tools like Vulert to monitor for vulnerabilities.

See every vulnerability recorded for auth-1s7epg →

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FAQ

The auth-1s7epg package is a Node.js library used for authentication in applications, part of the npm ecosystem.

The vulnerability was discovered by ReversingLabs, which specializes in identifying malicious packages in open-source repositories.

Using the affected package can lead to unauthorized access, data breaches, and other security issues within your application.

You can use Vulert, a tool that monitors open-source vulnerabilities in real-time, to check if your application is affected. Visit Vulert Scanner for more information.

If immediate updates are not possible, consider implementing security measures to monitor your application for suspicious activities and explore alternative packages.

How To Fix

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

npm uninstall auth-1s7epg

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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