---
id: MAL-2026-5086
title: Malicious code in polymarket-data (PyPI)
summary: Malicious code in polymarket-data (PyPI)
severity: none
vendor: polymarket-data
product: polymarket-data
ecosystem: pip
affected:
  - polymarket-data
published: '2026-05-30'
updated: '2026-07-09'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/MAL-2026-5086'
references:
  - url: 'https://bad-packages.kam193.eu/pypi/package/polymarket-data'
tags:
  - osv
  - pip
ingestedAt: '2026-07-09T11:56:19.304Z'
---

## Overview


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_-= Per source details. Do not edit below this line.=-_

## 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.


---

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


## Affected packages

- `polymarket-data`

## Remediation

Refer to the advisory for the patched release.