xfoofoox

GHSA-pr4h-gg8c-9263

Malicious code in xfoofoox (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.0.6`

## Source: kam193 (94e46dfacc8ffb015e2258d96dedda0eebb7118144ace7021794c88b319ade14)
During import, the package starts a reverse shell


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


Campaign: 2026-06-anthropy


Reasons (based on the campaign):


 - The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/xfoofoox/MAL-2026-5340.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/xfoofoox
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/xfoofoox/MAL-2026-5340.json
- https://github.com/advisories/GHSA-pr4h-gg8c-9263

Compromised versions (1)

= 0.0.6

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