Malicious code in tpcvverencode (PyPI)

tpcvverencode Updated 02 Oct 2025

Summary

27/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-6997: Malicious code in tpcvverencode (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 Penetration testing for web, API and mobile Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The tpcvverencode package is an open-source Python package available on PyPI. It is used for encoding and decoding TPC-C benchmark data. This package is vulnerable to a malicious code injection.

Vulnerability Detail

The tpcvverencode package has been found to contain malicious code introduced by the Checkmarx group. This code can execute spyware and information-stealing malware. The malicious code can be triggered when using the affected package, potentially compromising the security and privacy of the system and its users.

How To Fix

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

pip uninstall tpcvverencode

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 affected package and following the recommended fix.

Conclusion

The tpcvverencode package has been found to contain malicious code introduced by the Checkmarx group. This code can execute spyware and information-stealing malware. It is crucial to remove the affected package and replace it with a trusted alternative. Regularly updating and reviewing the packages used in your project is essential to ensure the security and privacy of your system and its users. For further support on vulnerability remediation, contact DevNack.com.

See every vulnerability recorded for tpcvverencode →

Share this vulnerability

FAQ

The tpcvverencode package is a Python package used for encoding and decoding TPC-C benchmark data.

The malicious code was introduced by the Checkmarx group, who published nearly 6000 malicious PyPi and NPM packages.

The malicious code can execute spyware and information-stealing malware, potentially compromising the security and privacy of the system and its users.

To fix this vulnerability, remove the tpcvverencode package from your project and replace it with a trusted alternative. Regularly update and review the packages used in your project to avoid potential security risks.

There is no known workaround for this vulnerability. It is crucial to remove the affected package and follow the recommended fix.

How To Fix

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

pip uninstall tpcvverencode

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