urlllib321

GHSA-mx26-7rwg-qvqq

Malicious code in urlllib321 (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 2.7.0`

## Source: kam193 (376c7a8609fa48f74e0229f95c4fe5a4e4a4c94e923da4ed11e8a1f475807127)
Package is a typosquatting or dependency confusion attempt with a low-harm local-only action, like leaving a flag file.


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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-local-typosquatting


Reasons (based on the campaign):


 - dependency-confusion


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


 - typosquatting

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/urlllib321/MAL-2026-6759.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/urlllib321
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/urlllib321/MAL-2026-6759.json
- https://github.com/advisories/GHSA-mx26-7rwg-qvqq

Compromised versions (1)

= 2.7.0

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