MAL-2026-19187: Malicious code in melstagen (PyPI)

Published Nov 12, 2026
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Updated

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Source: kam193 (ac28e45b20df71fefbc8a6294c7e7a202f42b356e38dc49b0e28f335fb9a2737) 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):

- other

- Downloads and executes a remote malicious script.

Affected Software

1 affected component
pip/melstagen=0.1.0

Event History

Nov 12, 2026
Advisory Published
via OSV·08:42 PM
Data Sourced
via OSV·08:42 PM
DescriptionAffected Software

Frequently Asked Questions

1

Are specific affected versions or package artifacts identified?

No version range, release identifier, or file hash for the PyPI package is provided in the available data.

2

Is the remote payload or observed victim usage known?

No. The source states that the loader packages do not contain the malicious payload and that their usage remains unknown.

3

What execution capability is attributed to this package?

It is described as a loader that can download and execute a remote script from a supplied URL.

Contact

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