---
id: MAL-2026-18133
title: Malicious code in journey-test-hellospy (PyPI)
summary: Malicious code in journey-test-hellospy (PyPI)
severity: critical
exploited: true
vendor: journey-test-hellospy
product: journey-test-hellospy
ecosystem: pip
affected:
  - journey-test-hellospy
published: '2026-10-21'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T23:30:04.083291341Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/MAL-2026-18133'
references:
  - url: 'https://bad-packages.kam193.eu/pypi/package/journey-test-hellospy'
tags:
  - osv
  - pip
  - malware
ingestedAt: '2026-10-22T11:56:43.865Z'
---

## Overview


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

## Source: kam193 (418fea1fe789e9a44c77c08c9135b3da66b773882c9fb2757094c3f55b04321b)
During installation, package exfiltrates potentially sensitive environmental variables


---

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


Campaign: 2026-10-journey-test-helloshell


Reasons (based on the campaign):


 - The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.


 - The package overrides the install command in setup.py to execute malicious code during installation.


 - targetted-attack


## Affected packages

- `journey-test-hellospy`

## Remediation

Refer to the advisory for the patched release.