polymarket-data

GHSA-rw6x-c8xj-pprj

Malicious code in polymarket-data (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 2.0.0`

## Source: kam193 (a690aea77d0d48fae2a4f500f434cc5d4fb5cde042b7b902b0ee647b97921dc4)
The package attempts to exfiltrate sensitive data related to cryptocurrencies and API keys, as well as establish persistence. Likely related to 2026-05-polymarket-data-fetcher.


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


Campaign: 2026-05-polymarket-data


Reasons (based on the campaign):


 - crypto-related


 - exfiltration-crypto


 - exfiltration-credentials


 - persistence

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/polymarket-data/MAL-2026-5086.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/polymarket-data
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/polymarket-data/MAL-2026-5086.json
- https://github.com/advisories/GHSA-rw6x-c8xj-pprj

Compromised versions (1)

= 2.0.0

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