---
id: "MAL-2026-16142"
kind: "package"
aliases: ["MAL-2026-16142"]
title: "Malicious code in python-fork (PyPI)"
severity: "critical"
cvss: null
epss: null
exploited: false
status: "open"
category: "package"
products: [{"name": "python-fork", "fixed": [], "affected": "= 0.1.0; = 0.1.1", "ecosystem": "pypi"}]
ecosystems: ["pypi"]
tags: ["malicious", "package"]
not_affected_if: []
published_at: "2026-09-12T09:15:57+00:00"
first_seen_at: "2026-10-26T20:51:58+00:00"
updated_at: "2026-10-26T21:10:31+00:00"
sources: [{"source": "osv-malicious", "url": "https://osv.dev/vulnerability/MAL-2026-16142", "first_seen_at": "2026-10-26T20:51:58+00:00"}]
---

# Malicious code in python-fork (PyPI)

## Affected

- pypi:python-fork affected = 0.1.0; = 0.1.1 fixed ?

## Timeline

- 2026-10-26T20:51:58+00:00 osv-malicious https://osv.dev/vulnerability/MAL-2026-16142

## From the sources

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

## Source: amazon-inspector (ccd1d960319085a4aee1c389c4b394bfddd03f3c2af57f4d09bce88f9ad4a66d)
The package was found to contain malicious code or consuming dependency that contains malicious code

## Source: kam193 (0bff88696e931354b786185cde4b21e28c27407203c5733ac31b52b7186c1e78)
Importing the module starts a fork bomb, what can lead to destabilizing the system.


---

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


Campaign: 2026-09-python-fork


Reasons (based on the campaign):


 - other

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_