Malicious Code Detected in @schedaero/net-common: Data Exfiltration and Process Termination Risk

@schedaero/net-common Updated 04 Mar 2026

Summary

25/02/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1229: Malicious code in @schedaero/net-common (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The @schedaero/net-common package is a Node.js library used for various network-related functionalities. It is designed to facilitate communication and data exchange in applications. However, recent findings have revealed that this package contains a malicious preinstall script that poses significant security risks, including data exfiltration and process termination.

Vulnerability Detail

The vulnerability originates from a malicious preinstall script embedded within the @schedaero/net-common package. This script is designed to exfiltrate sensitive data by capturing the User-Agent string and sending it to a suspicious URL. Additionally, the script can terminate processes, potentially disrupting application functionality. The ramifications of this vulnerability include unauthorized data access and application instability, making it critical for users to address this issue promptly.

How To Fix

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

npm uninstall @schedaero/net-common

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 @schedaero/net-common package from their project until a secure version is released. This can be accomplished by executing the following command: npm uninstall @schedaero/net-common.

Conclusion

The @schedaero/net-common package has been identified as containing malicious code that poses serious security risks, including data exfiltration and process termination. It is crucial for users to update or remove the package to safeguard their applications. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.

See every vulnerability recorded for @schedaero/net-common →

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FAQ

The malicious code includes a preinstall script that exfiltrates data and can terminate processes.

You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.

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

Yes, the vulnerability can lead to unauthorized data access, which may result in data loss or exposure.

Detailed information can be found in the vulnerability report on GitHub or through security advisories related to the package.

How To Fix

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

npm uninstall @schedaero/net-common

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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