0xfighter3

GHSA-w8cx-q6rx-qfj2

Malicious code in 0xfighter3 (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1`

## Source: kam193 (5a97978609c71d681a69a2da613c5e52b257a2062d7805b8db25243db50ff36f)
Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.


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Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.


Campaign: GENERIC-standard-pypi-install-pentest


Reasons (based on the campaign):


 - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.


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

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/dfd2c9a6bffc8bca273a4aed62275921320c753a/osv/malicious/pypi/0xfighter3/MAL-2026-14525.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/0xfighter3
- https://github.com/ossf/malicious-packages/blob/dfd2c9a6bffc8bca273a4aed62275921320c753a/osv/malicious/pypi/0xfighter3/MAL-2026-14525.json
- https://github.com/advisories/GHSA-w8cx-q6rx-qfj2

Compromised versions (1)

= 0.1

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.