swampo

GHSA-cw9m-qrjc-28vv

Malicious code in swampo (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.2.9`

## Source: kam193 (7b8e193e75e6ca7d387f21b53c251e6ee8791d9ec4ca3f37099e765415d36157)
Multi-stage dropper. The "analytics" functionality fetches fake updates information that should contain the next URL. From it, a yet another URL is downloaded, and then used to perform TXT DNS queries holding the encoded next URL. From this URL, a remote script is fetched and executed. During analysis, retrieving the final payload was not successful.


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


Campaign: 2026-04-swampo


Reasons (based on the campaign):


 - Downloads and executes a remote malicious script.


 - 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/swampo/MAL-2026-3031.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/swampo
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/swampo/MAL-2026-3031.json
- https://github.com/advisories/GHSA-cw9m-qrjc-28vv

Compromised versions (1)

= 1.2.9

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