---
id: "MAL-2026-18133"
kind: "package"
aliases: ["MAL-2026-18133"]
title: "Malicious code in journey-test-hellospy (PyPI)"
severity: "critical"
cvss: null
epss: null
exploited: false
status: "open"
category: "package"
products: [{"name": "journey-test-hellospy", "fixed": [], "affected": "= 0.1.1", "ecosystem": "pypi"}]
ecosystems: ["pypi"]
tags: ["malicious", "package"]
not_affected_if: []
published_at: "2026-10-21T22:40:42+00:00"
first_seen_at: "2026-10-26T20:52:00+00:00"
updated_at: "2026-10-26T21:05:48+00:00"
sources: [{"source": "osv-malicious", "url": "https://osv.dev/vulnerability/MAL-2026-18133", "first_seen_at": "2026-10-26T20:52:00+00:00"}]
---

# Malicious code in journey-test-hellospy (PyPI)

## Affected

- pypi:journey-test-hellospy affected = 0.1.1 fixed ?

## Timeline

- 2026-10-26T20:52:00+00:00 osv-malicious https://osv.dev/vulnerability/MAL-2026-18133

## From the sources

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_-= 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

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