Malicious code in vmcv (PyPI)

vmcv Updated 02 Oct 2025

Summary

24/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7871: Malicious code in vmcv (PyPI). Affected versions are not published. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored Devnack Your last release was probably never penetration tested Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The vmcv package is a Python package available on PyPI. It is used for [provide a brief description of the package's functionality and key attributes]. Unfortunately, the package has been found to contain malicious code, which poses a significant security risk to users who install it.

Vulnerability Detail

The vmcv package has been identified as one of nearly 6000 malicious PyPI and NPM packages published by the EsqueleSquad group. These packages execute spyware and information-stealing malware. The specific vulnerability in vmcv (PyPI) is [provide a detailed description of the vulnerability, its origin, and potential ramifications]. This vulnerability was discovered by Checkmarx and has been assigned the ID MAL-2023-7871.

How To Fix

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

pip uninstall vmcv

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

There is no known workaround for this vulnerability. It is essential to take immediate action by removing the vmcv package and following the recommended steps to fix the issue.

Conclusion

The vmcv package on PyPI has been found to contain malicious code, posing a significant security risk to users. It is crucial to remove this package from your project and replace it with a trusted alternative. Regularly updating dependencies and using a reliable vulnerability monitoring tool like Vulert is essential to stay protected. For further support on vulnerability remediation, you can contact Checkmarx at supplychainsecurity@checkmarx.com.

See every vulnerability recorded for vmcv →

Share this vulnerability

FAQ

You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply provide your Pipfile.lock file, and Vulert will analyze it in real-time and alert you if any open-source vulnerabilities, including this one, are found.

The malicious code in the vmcv package can execute spyware and steal sensitive information from your application. This can lead to data breaches, compromised user accounts, and other security incidents.

This vulnerability was discovered by Checkmarx, a security company specializing in software vulnerability detection and prevention.

Yes, the EsqueleSquad group has published nearly 6000 malicious PyPI and NPM packages. It is crucial to regularly check for updates and monitor your dependencies for any potential security risks.

If you have any further questions or need assistance with vulnerability remediation, you can contact Checkmarx at supplychainsecurity@checkmarx.com or visit their website at https://bit.ly/checkmarx-malicious-packages.

How To Fix

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

pip uninstall vmcv

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 →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback