---
id: MAL-2026-18189
title: Malicious code in aanthropic (PyPI)
summary: Malicious code in aanthropic (PyPI)
severity: critical
exploited: true
vendor: aanthropic
product: aanthropic
ecosystem: pip
affected:
  - aanthropic
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T23:45:03.529777197Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/MAL-2026-18189'
references:
  - url: >-
      https://www.virustotal.com/gui/file/e6d96b5500b232bea67f6f9046cfbc22d29a515c42d2af9523a15ebe8a7c4ab7/
  - url: 'https://bad-packages.kam193.eu/pypi/package/aanthropic'
tags:
  - osv
  - pip
  - malware
ingestedAt: '2026-10-23T11:58:17.245Z'
---

## Overview


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

## Source: kam193 (47e89f1629f5ff807eed865fd160d61ba0bb37d1a50f82922f4acd48c52d99e0)
During installation, package downloads and executes malware.


---

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


Campaign: 2026-10-semvver


Reasons (based on the campaign):


 - Downloads and executes a remote executable.


 - malware


 - typosquatting


## Affected packages

- `aanthropic`

## Remediation

Refer to the advisory for the patched release.