MALICIOUS (1) package from Python Package Index.

1. The campaign has clearly malicious intent, like infostealers.

fastpi

Affected versions: (1) 0.128.0, 0.128.1, 0.128.2

1. Version numbers are usually added automatically. In most cases, the packages listed here were created only to distribute malicious code.

Campaign data

Campaign information may not always be 100% accurate for every related package.

Campaign description

Malicious copy of the legitimate FastAPI. The modification loads code encrypted in one of the attached files. The final, highly obfuscated code is most likely similar to the code from 2026-01-pypi-package-explore, with the exact behavior unknown.

See more details on the campaign page.

clones_real_package

The package is a clone of a legitimate package or library, but with malicious code added.

obfuscation

Code uses obfuscation techniques to hide its true purpose.

typosquatting

The package name is an typosquatting variant of a popular package.

Look up in other services

• Check metadata in pypi-data project (1)
• Search for the package in deps.dev(2)
• Search for the package in socket.dev (3)
• Search for the package in secure.software (4)
• Search for the package in Snyk Advisor (5)

1. May not be available. See more in pypi-json-data repository.
2. Open Source Insights project, provided by Google.
3. Service from Socket.dev, a cybersecurity company.
4. Spectra Assure Community, a service from ReversingLabs, a cybersecurity company.
5. Service from Snyk, a cybersecurity company.