---
id: MAL-2026-17181
title: Malicious code in reqparser (PyPI)
summary: Malicious code in reqparser (PyPI)
severity: critical
exploited: true
vendor: reqparser
product: reqparser
ecosystem: pip
affected:
  - reqparser
published: '2026-09-25'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T08:30:05.079647832Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/MAL-2026-17181'
references:
  - url: 'https://bad-packages.kam193.eu/pypi/package/reqparser'
tags:
  - osv
  - pip
  - malware
ingestedAt: '2026-09-26T07:17:57.329Z'
---

## Overview


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

## Source: kam193 (982923c14e644e82a839621d37715fd123568fc378aed45b6afa6247bc0b5054)
During the module import, the package starts an infostealer. It exfiltrates data from crypto currency wallets and web browsers, ensures persistence and installs further malware.


---

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


Campaign: 2026-09-reqparser


Reasons (based on the campaign):


 - malware


 - persistence


 - exfiltration-crypto


 - exfiltration-browser-data


 - The package contains code to detect if it is running in a sandbox environment.


 - infostealer


 - keylogger


## Affected packages

- `reqparser`

## Remediation

Refer to the advisory for the patched release.