Malicious Code Detected in echo-bravo-smxd Package - Security Alert

echo-bravo-smxd Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-19123: Malicious code in echo-bravo-smxd (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The echo-bravo-smxd package is an npm module that serves various functionalities within JavaScript applications. It is designed to facilitate specific tasks, but recent findings have revealed that it contains malicious code, posing a significant security risk to users and their applications. This vulnerability can lead to unauthorized access or data breaches if not addressed promptly.

Vulnerability Detail

The vulnerability in the echo-bravo-smxd package stems from the inclusion of malicious code that can compromise the security of applications utilizing this package. This code may allow attackers to execute harmful actions, such as data exfiltration or unauthorized control over the affected systems. The malicious code was introduced in version 0 and remains present in all subsequent versions, making it critical for users to take immediate action.

How To Fix

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

npm uninstall echo-bravo-smxd

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 measure, users can avoid using the echo-bravo-smxd package until a secure alternative is identified. Additionally, consider implementing security measures such as code reviews and dependency audits to mitigate risks associated with malicious packages.

Conclusion

The discovery of malicious code in the echo-bravo-smxd package highlights the importance of vigilance in managing open-source dependencies. Users must take proactive measures to secure their applications by removing vulnerable packages and utilizing tools like Vulert to monitor for potential threats.

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FAQ

The echo-bravo-smxd package is an npm module used in JavaScript applications for various functionalities. However, it has been found to contain malicious code.

The malicious code was identified by security researchers from Amazon Inspector, who reported the vulnerability in the package.

Using the echo-bravo-smxd package can expose applications to security threats, including unauthorized access and data breaches due to the embedded malicious code.

You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities. By analyzing your package-lock.json file, Vulert provides real-time alerts for vulnerabilities in your software.

If you are using the echo-bravo-smxd package, it is recommended to remove it immediately and replace it with a secure alternative to protect your application from potential threats.

How To Fix

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

npm uninstall echo-bravo-smxd

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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