Malicious Code Vulnerability in @f5rest/odata-v4-server Package

@f5rest/odata-v4-server Updated 19 Mar 2026

Summary

18/03/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1622: Malicious code in @f5rest/odata-v4-server (npm). Affects @f5rest/odata-v4-server versions 99.0.0. No fix is published. How to fix ↓

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Background

The @f5rest/odata-v4-server package is a Node.js library designed to facilitate the implementation of OData v4 services. It provides developers with tools to create and manage data services efficiently. However, this package has been identified as containing malicious code, which poses a significant risk to applications that rely on it.

Vulnerability Detail

The vulnerability stems from malicious code embedded within version 99.0.0 of the @f5rest/odata-v4-server package. This code can potentially compromise the security of applications using the package, leading to unauthorized access, data breaches, or other malicious activities. The origin of this vulnerability has been traced back to a malicious actor who introduced harmful code into the package, making it imperative for users to take immediate action to mitigate the risk.

How To Fix

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

npm uninstall @f5rest/odata-v4-server

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, users can remove the @f5rest/odata-v4-server package from their project until a secure version is released. This can be done using the command: npm uninstall @f5rest/odata-v4-server.

Conclusion

The @f5rest/odata-v4-server package has been found to contain malicious code, posing a serious threat to applications that utilize it. Users are urged to update or remove the package to safeguard their applications. Utilizing tools like Vulert can help in monitoring and managing such vulnerabilities effectively.

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FAQ

The malicious code can lead to unauthorized access and potential data breaches in applications using 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.

As a temporary measure, consider uninstalling the package until a secure version is available.

Detailed information can be found on the GitHub repository of the package or through vulnerability databases.

Regularly monitor your dependencies for vulnerabilities using tools like Vulert and keep your packages updated.

How To Fix

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

npm uninstall @f5rest/odata-v4-server

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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