tessivatts

GHSA-53mw-w6xh-cphh

Malicious code in tessivatts (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## 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.


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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

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/752006e69455c57fd1aea9d6a9a528eb8e522d1a/osv/malicious/pypi/tessivatts/MAL-2026-18148.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/tessivatts
- https://github.com/ossf/malicious-packages/blob/752006e69455c57fd1aea9d6a9a528eb8e522d1a/osv/malicious/pypi/tessivatts/MAL-2026-18148.json
- https://github.com/ossf/malicious-packages/blob/53b2d11c19bef17e416dcdc912f1a0d7db829a1a/osv/malicious/pypi/tessivatts/MAL-2026-18148.json
- https://github.com/advisories/GHSA-53mw-w6xh-cphh

Compromised versions (1)

= 0.1.0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.