Critical Malicious Code Vulnerability in pymongo Package

pymongo Updated 10 Dec 2025

Summary

10/12/2025
CRITICAL
No i
Critical
Not published

MAL-2025-192416: Malicious code in pymongo (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The pymongo package is a widely used library in the Node.js ecosystem that provides tools for interacting with MongoDB databases. It allows developers to perform operations such as querying, inserting, and updating data in MongoDB. However, this package has been compromised, leading to a serious security vulnerability that can fully compromise any system running it.

Vulnerability Detail

The vulnerability originates from malicious code embedded within the pymongo package. Any system that has this package installed is considered fully compromised, meaning that all secrets and keys stored on that system should be rotated immediately. The malicious code may allow an external entity to gain full control over the affected computer, posing significant risks to data integrity and security.

How To Fix

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

npm uninstall pymongo

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 workaround, it is recommended to immediately uninstall the pymongo package using the command: 'npm uninstall pymongo'. However, be aware that simply removing the package may not eliminate all malicious software that has been installed as a result of this vulnerability.

Conclusion

The pymongo package has been compromised with malicious code, posing a significant risk to any system that has it installed. Immediate action is required to uninstall the package and secure any sensitive information. Regular monitoring and updates are crucial to maintaining security in your applications.

See every vulnerability recorded for pymongo →

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FAQ

You should uninstall the pymongo package immediately and rotate any secrets or keys 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.

Check the official pymongo repository for any updates or patches that address this vulnerability.

Failing to address this vulnerability can lead to unauthorized access to sensitive data and complete control over your system by malicious actors.

It is essential to monitor the package's updates and community feedback before deciding to use it again. Always ensure you are using the latest, verified version.

Related vulnerabilities

Recent vulnerabilities recorded for pymongo.

How To Fix

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

npm uninstall pymongo

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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