---
id: MAL-2026-18148
title: Malicious code in tessivatts (PyPI)
summary: Malicious code in tessivatts (PyPI)
severity: critical
exploited: true
vendor: tessivatts
product: tessivatts
ecosystem: pip
affected:
  - tessivatts
published: '2026-10-21'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T01:30:03.529242399Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/MAL-2026-18148'
references:
  - url: 'https://bad-packages.kam193.eu/pypi/package/tessivatts'
tags:
  - osv
  - pip
  - malware
ingestedAt: '2026-10-22T11:56:43.871Z'
---

## Overview


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

## Source: kam193 (2d8e0f874c40346588bbb4f025cb9be6ac29dc2fc6b95de5b662ac2126a628a1)
This campaign consists of similar loader packages, which provide executing code from a given URL. While they do not contain the malicious payload and the usage remains unknown, they are clearly a coordinated campaign to place multiple deceptive ways to load malicious code.


---

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


Campaign: 2026-10-voice-synthesis-profiles


Reasons (based on the campaign):


 - Downloads and executes a remote malicious script.


 - other


## Affected packages

- `tessivatts`

## Remediation

Refer to the advisory for the patched release.