---
id: "MAL-2026-18754"
page: "https://infrastack.ai/live/MAL-2026-18754"
kind: "package"
aliases: ["MAL-2026-18754"]
title: "Malicious code in pyuserfox (PyPI)"
severity: "critical"
cvss: null
epss: null
exploited: false
status: "open"
category: "package"
products: [{"name": "pyuserfox", "fixed": [], "affected": "= 0.0.2", "ecosystem": "pypi"}]
ecosystems: ["pypi"]
tags: ["malicious", "package"]
not_affected_if: []
published_at: "2026-11-07T23:44:24+00:00"
first_seen_at: "2026-11-08T00:50:49+00:00"
updated_at: "2026-11-08T00:56:27+00:00"
sources: [{"source": "osv-malicious", "url": "https://osv.dev/vulnerability/MAL-2026-18754", "first_seen_at": "2026-11-08T00:50:49+00:00"}]
exploit_sources: []
---

# Malicious code in pyuserfox (PyPI)

Link for people: https://infrastack.ai/live/MAL-2026-18754 (this .md is for agents)

## Affected

- pypi:pyuserfox affected = 0.0.2 fixed no fixed version listed

## Timeline

- 2026-11-08T00:50:49+00:00 osv-malicious https://osv.dev/vulnerability/MAL-2026-18754

## From the sources

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

## Source: kam193 (23edaa0c720d313b1598b1391f83081eab817e337c65033b28755ad7f46af0dd)
During import, package silently download and executes remote code. There is no other action. During analysis, the remote code was no longer accessible. The campaign was originally discovered by Threx-code.


---

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


Campaign: 2026-11-old-pyuserfox


Reasons (based on the campaign):


 - Downloads and executes a remote malicious script.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_