Malicious Code Exfiltration in ttam-ploy Package

ttam-ploy Updated 21 Jan 2026

Summary

21/01/2026
CRITICAL
No i
Critical
Not published

MAL-2026-447: Malicious code in ttam-ploy (PyPI). Affects ttam-ploy versions 1.4.17 – 1.8.0. No fix is published. How to fix ↓

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Background

The ttam-ploy package, available on PyPI, is designed for various functionalities within Python projects. However, it has been identified as a malicious package that serves no legitimate purpose other than to exfiltrate sensitive information from the host system. This includes basic data such as the user's IP address and username, posing a security risk to users who install it.

Vulnerability Detail

The vulnerability originates from the package's design, which overrides the install command in the setup.py file to execute malicious code during installation. This code is responsible for exfiltrating sensitive information from the host system. The ramifications include potential data breaches and unauthorized access to user information, making it critical for users to avoid this package.

How To Fix

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

pip uninstall ttam-ploy

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 are no effective workarounds for this vulnerability other than avoiding the installation of the ttam-ploy package altogether.

Conclusion

The ttam-ploy package poses a significant security risk due to its malicious code designed to exfiltrate sensitive information. Users are advised to uninstall this package immediately and monitor their systems for any potential breaches. Utilizing tools like Vulert can help in identifying and managing vulnerabilities in open-source software.

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FAQ

ttam-ploy is a Python package available on PyPI that has been identified as malicious, designed to exfiltrate sensitive information from the host system.

The vulnerability manifests when the package is installed, as it executes malicious code that collects and sends sensitive information from the user's system.

If you have installed ttam-ploy, you should immediately uninstall it using the command 'pip uninstall ttam-ploy'.

No, all versions of ttam-ploy have been flagged for malicious activity and should not be used.

You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software. You can check your application against known vulnerabilities using the Vulert playground without any signup.

How To Fix

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

pip uninstall ttam-ploy

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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