---
id: MAL-2026-14589
title: Malicious code in yamlformat-tools (PyPI)
summary: Malicious code in yamlformat-tools (PyPI)
severity: none
vendor: yamlformat-tools
product: yamlformat-tools
ecosystem: pip
affected:
  - yamlformat-tools
published: '2026-08-28'
updated: '2026-08-28'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/MAL-2026-14589'
references:
  - url: 'https://bad-packages.kam193.eu/pypi/package/yamlformat-tools'
tags:
  - osv
  - pip
ingestedAt: '2026-08-28T19:28:31.232Z'
---

## Overview


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

## Source: kam193 (60b8ab6c62beb2bbbe4e2926cf9cda17f060f9c4184d33ed57d363d9a771b734)
During import, the package collects sensitive information and exfiltrates it using DNS queries.


---

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


Campaign: 2026-08-ekx-report-utils


Reasons (based on the campaign):


 - targetted-attack


 - exfiltration-generic


 - exfiltration-credentials


## Affected packages

- `yamlformat-tools`

## Remediation

Refer to the advisory for the patched release.