# MAL-2026-18141: Malicious code in melcuratts (PyPI)


- **Type:** Malicious package
- **Package:** `melcuratts` (PyPI)
- **Published:** 21 Oct 2026

## What is MAL-2026-18141?

MAL-2026-18141 is a malicious package in melcuratts, published on 21 Oct 2026. 

### Official description

melcuratts 0.1.0 contains no observed install-time or import-time execution of attacker-controlled code, no credential or environment harvesting, no outbound network to attacker-controlled destinations, no silent relay of caller-supplied data, no persistence or backdoor mechanism, and no shipped third-party credentials. No supply-chain attack fingerprint is present in the package contents.

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

## What should I do about MAL-2026-18141?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

## Fix prompt for AI coding agents

```text
MAL-2026-18141 is a malicious package: melcuratts (PyPI). Every version was published to cause harm.

Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.

Reference: https://insights.sbomify.com/MAL-2026-18141/ (Markdown: https://insights.sbomify.com/MAL-2026-18141/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2026-18141

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From sbomify Insights: https://insights.sbomify.com/MAL-2026-18141/
Summaries are generated and may contain mistakes; the official description above is the record.