---
id: MAL-2026-6945
title: Malicious code in jsonschemavalidation (PyPI)
summary: Malicious code in jsonschemavalidation (PyPI)
severity: none
vendor: jsonschemavalidation
product: jsonschemavalidation
ecosystem: pip
affected:
  - jsonschemavalidation
published: '2026-07-07'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/MAL-2026-6945'
references:
  - url: 'https://bad-packages.kam193.eu/pypi/package/jsonschemavalidation'
tags:
  - osv
  - pip
ingestedAt: '2026-07-08T18:25:55.274Z'
---

## Overview


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

## Source: kam193 (b7a6e1ff837eac0382559815111106e3e85b3825b72f38355551d5874cc24b0e)
A clone of a legitimate package with an embeded reverse shell. In the published version, the reverse shell was connecting to a private IP address suggesting the package was not yet fully weaponized.


---

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


Campaign: 2026-07-jsonschemavalidation


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.


 - clones-real-package


 - obfuscation


## Affected packages

- `jsonschemavalidation`

## Remediation

Refer to the advisory for the patched release.