Malicious Code Detected in @fcsmc/commercial-analytics: Version 99.9.1 Vulnerability
Summary
MAL-2026-17928: Malicious code in @fcsmc/commercial-analytics (npm). Affects @fcsmc/commercial-analytics versions 99.9.1. No fix is published. How to fix ↓
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Background
The package @fcsmc/commercial-analytics is a Node.js library available through npm, designed for commercial analytics purposes. It provides functionalities that allow developers to integrate analytics features into their applications. However, version 99.9.1 has been identified as malicious, posing significant risks to users and their applications.
Vulnerability Detail
The vulnerability in @fcsmc/commercial-analytics arises from its communication with a domain associated with malicious activity. This behavior can lead to data breaches, unauthorized access, and potential exploitation of the affected systems. The origin of this vulnerability was identified by the OpenSSF Package Analysis project, which flagged the package due to its suspicious network activity.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @fcsmc/commercial-analyticsIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can avoid using the @fcsmc/commercial-analytics package altogether until a secure version is released. If you need similar functionality, consider looking for alternative packages that provide commercial analytics without the associated risks.
Conclusion
The identification of malicious code in @fcsmc/commercial-analytics version 99.9.1 highlights the importance of vigilance in managing open-source dependencies. Users are advised to take immediate action to remove the affected version and seek alternatives to safeguard their applications.
See every vulnerability recorded for @fcsmc/commercial-analytics →
FAQ
The vulnerability involves the package communicating with a domain linked to malicious activities, which can compromise user data and application security.
You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities in real-time. By analyzing your package-lock.json file, it can help you identify if your application is affected. You can also check using the Vulert playground without any signup.
You should uninstall version 99.9.1 immediately and install a different, secure version of the package to mitigate the risks associated with the vulnerability.
Yes, there are several alternative packages available on npm that provide similar analytics functionalities without the associated risks. Research and select a reputable package.
Regularly check for updates to your packages and utilize tools like Vulert to monitor your dependencies for any vulnerabilities in real-time.
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Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
