moooo

GHSA-j94w-9m58-5xmq

Malicious code in moooo (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## Source: kam193 (110e4d99f41d1dd4567651dc21115f1793e5e2eab0e12d24ea5a433cdea87f1c)
When used, the package silently loads code with an infostealer focused on Discord data.


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


Campaign: 2026-04-moooo


Reasons (based on the campaign):


 - exfiltration-generic


 - exfiltration-credentials


 - infostealer


 - action-hidden-in-lib-usage

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/moooo/MAL-2026-2666.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/moooo
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/moooo/MAL-2026-2666.json
- https://github.com/advisories/GHSA-j94w-9m58-5xmq

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.