Critical Malicious Code Vulnerability in @emilgroup/api-documentation Package

@emilgroup/api-documentation Updated 22 Mar 2026

Summary

22/03/2026
CRITICAL
No i
Critical
Not published

MAL-2026-2035: Malicious code in @emilgroup/api-documentation (npm). Affects @emilgroup/api-documentation versions >= 1.19.1, <= 1.19.2. No fix is published. How to fix ↓

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Background

The @emilgroup/api-documentation package is a Node.js library designed to facilitate API documentation generation for developers. It is commonly used in various applications to streamline the documentation process. However, recent findings have revealed that this package contains malicious code, posing a significant security risk to any system utilizing it.

Vulnerability Detail

The vulnerability originates from the inclusion of malicious code within versions 1.19.1 to 1.19.2 of the @emilgroup/api-documentation package. This code can compromise the entire system where the package is installed, allowing unauthorized access to sensitive information such as secrets and keys. The implications of this vulnerability are severe, as it can lead to complete system takeover by external entities, making it critical for users to act swiftly.

How To Fix

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

npm uninstall @emilgroup/api-documentation

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

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Workaround

Currently, there are no workarounds to mitigate the risks associated with this vulnerability other than removing the package entirely. It is crucial to monitor your systems for any signs of compromise following the uninstallation.

Conclusion

The discovery of malicious code in the @emilgroup/api-documentation package poses a serious threat to users. Immediate action is required to remove the package and secure any sensitive information. Users should remain vigilant and consider utilizing tools like Vulert for ongoing monitoring of vulnerabilities.

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FAQ

Immediately uninstall the @emilgroup/api-documentation package and rotate any sensitive information stored on the affected system.

You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

No, there is currently no patched version available for the @emilgroup/api-documentation package. The only solution is to remove the package.

Failing to address this vulnerability can lead to unauthorized access to your system, potentially resulting in data breaches and loss of sensitive information.

Consider using Vulert, which monitors and alerts you in real-time for open-source vulnerabilities using just your package-lock.json file.

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How To Fix

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

npm uninstall @emilgroup/api-documentation

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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