Malicious Code Detected in echoml Package - Security Alert

echoml Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-19179: Malicious code in echoml (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The echoml package is an npm library designed for parsing and handling EchoML data formats. It is widely used in applications that require data serialization and deserialization. However, recent findings have revealed that this package contains malicious code, posing significant security risks to users and their applications.

Vulnerability Detail

The vulnerability in the echoml package stems from the inclusion of malicious code that can compromise the security of applications utilizing this library. This code may allow unauthorized access to sensitive data, execute arbitrary commands, or facilitate 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 echoml

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

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Workaround

As a temporary workaround, users can remove the echoml package from their project until a secure version is released. This can be done using the command: npm uninstall echoml. Alternatively, consider using a different package that offers similar functionality without the security risks.

Conclusion

The echoml package has been identified as containing malicious code, which poses a significant threat to applications that utilize it. Users are strongly advised to update or remove the package to safeguard their applications. Monitoring tools like Vulert can assist in identifying vulnerabilities in real-time.

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FAQ

The echoml package is used for parsing and handling EchoML data formats in JavaScript applications.

You can check if your application is affected by using Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to use the Vulert playground without signup.

If you cannot update the package right away, consider removing it from your project or using an alternative package that does not have this vulnerability.

Stopping the use of the affected version will mitigate the risk, but it is essential to replace it with a secure alternative or update to a patched version as soon as possible.

More information can be found on the GitHub page of the malicious packages repository, which details the vulnerability and its implications.

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How To Fix

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

npm uninstall echoml

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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