Skip to content

Malicious code in fastapii (PyPI)

Malware Published Aug 7, 2026 to the GitHub Advisory Database • Updated Aug 7, 2026

Package

pip fastapii (pip)

Affected versions

= 0.1.1
= 0.1.2
= 0.2.0
= 0.3.0

Patched versions

None

Description

Source: kam193 (ccfc3dd07e620dc6bda1b28b4d8f77932ee217aff579270c0e0c74453e215943)

Package imitates name of a popula library. During installation, obfuscated code downloads a malicious executable and starts it. It then exfiltrates at least cryptocurrency wallet data, probably more.

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-08-flasq

Reasons (based on the campaign):

  • typosquatting

  • The package overrides the install command in setup.py to execute malicious code during installation.

  • exfiltration-generic

  • Downloads and executes a remote executable.

  • obfuscation

  • exfiltration-crypto

Credit: OpenSSF (source)

References

Published to the GitHub Advisory Database Aug 7, 2026
Reviewed Aug 7, 2026
Last updated Aug 7, 2026

EPSS score

Weaknesses

Embedded Malicious Code

The product contains code that appears to be malicious in nature. Learn more on MITRE.

GHSA ID

GHSA-623m-8qff-qjw8

Source code

No known source code
Improvements are not currently accepted on this advisory because this package is malware and has no patched versions. If there is something to change, please open an issue at https://github.com/github/advisory-database/issues.