Critical Malicious Code Vulnerability in @emburse/embark-core Package

@emburse/embark-core Updated 02 Oct 2025

Summary

31/07/2025
CRITICAL
No i
Critical
Not published

MAL-2025-6392: Malicious code in @emburse/embark-core (npm). Affects @emburse/embark-core versions 69.69.70. No fix is published. How to fix ↓

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Background

The @emburse/embark-core package is a component of the Embark framework, which is designed to facilitate the development of decentralized applications. It provides essential tools and libraries for developers to build, test, and deploy smart contracts and blockchain applications. However, this package has been identified with a serious vulnerability that allows for the execution of malicious code, potentially compromising the security of applications that rely on it.

Vulnerability Detail

The vulnerability, identified as MAL-2025-6392, originates from a malicious code injection in version 69.69.70 of the @emburse/embark-core package. This malicious code can lead to unauthorized access, data breaches, and the execution of harmful operations within the affected applications. The vulnerability was discovered by ReversingLabs and poses significant risks to users who have not updated to a secure version.

How To Fix

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

npm uninstall @emburse/embark-core

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

If an immediate update is not feasible, consider temporarily removing the @emburse/embark-core package from your project until a secure version can be installed. This can be done using the command: 'npm uninstall @emburse/embark-core'.

Conclusion

The @emburse/embark-core package has been identified with a critical vulnerability that allows for the execution of malicious code. It is essential for users to update to the patched version to protect their applications from potential threats. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.

See every vulnerability recorded for @emburse/embark-core →

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FAQ

The vulnerability involves malicious code that can execute unauthorized actions within applications using the 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.

Failure to address this vulnerability can lead to data breaches, unauthorized access, and potential damage to your application's integrity.

Yes, a patched version of the @emburse/embark-core package is available. Users should update to the latest version to mitigate the risk.

The vulnerability was discovered by ReversingLabs, a cybersecurity firm specializing in threat detection.

How To Fix

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

npm uninstall @emburse/embark-core

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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