---
id: MAL-2026-3429
title: Malicious code in openai-spellchecker (PyPI)
summary: Malicious code in openai-spellchecker (PyPI)
severity: critical
exploited: true
vendor: openai-spellchecker
product: openai-spellchecker
ecosystem: pip
affected:
  - openai-spellchecker
published: '2026-05-11'
updated: '2026-10-30'
sourceUpdated: '2026-10-30T09:45:04.088504964Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/MAL-2026-3429'
references:
  - url: 'https://helixguard.ai/blog/malicious-spellcheckers-2025-11-19'
  - url: >-
      https://www.aikido.dev/blog/malicious-pypi-packages-spellcheckpy-and-spellcheckerpy-deliver-python-rat
  - url: 'https://bad-packages.kam193.eu/pypi/package/openai-spellchecker'
tags:
  - osv
  - pip
  - malware
ingestedAt: '2026-10-30T19:05:36.405Z'
---

## Overview


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

## Source: kam193 (13911c4c1e0334b4e4d972e3b3256a08f8991d3935d74086c252ed085d3984a0)
The package hides code to download and execute a next-stage payload, which then communicates with C2 and listens for next code parts. In the analyzed version, the malicious code was not triggered.


---

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


Campaign: 2025-11-spellcheckers


Reasons (based on the campaign):


 - obfuscation


 - Downloads and executes a remote malicious script.


 - The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.


## Affected packages

- `openai-spellchecker`

## Remediation

Refer to the advisory for the patched release.