do-not-install-this-package-004

GHSA-hpgm-ggj9-93c2

Malicious code in do-not-install-this-package-004 (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## Source: kam193 (155862095ddb7d3410298aef76abdda3e7eeaf5609b72f97c30790c317b8d1cb)
During installation, the package exfiltrates env variables and data from different process memory to  a remote location


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


Campaign: 2026-01-do-not-install-this-package-002


Reasons (based on the campaign):


 - exfiltration-generic


 - exfiltration-credentials


 - exfiltration-env-variables


 - 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/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/do-not-install-this-package-004/MAL-2026-1436.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/do-not-install-this-package-004
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/do-not-install-this-package-004/MAL-2026-1436.json
- https://github.com/advisories/GHSA-hpgm-ggj9-93c2

Compromised versions (1)

= 0.1.0

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