# MAL-2025-192435: Malicious code in loguru-utf8 (PyPI)


- **Type:** Malicious package
- **Package:** `loguru-utf8` (PyPI)
- **Published:** 10 Dec 2025

## What is MAL-2025-192435?

MAL-2025-192435 is a malicious package in loguru-utf8, published on 10 Dec 2025. 

### Official description

Package clones a popular package (loguru, jsonschema, ...). While it claims to have some additional features, the real change is an added compiled native library which is silently loaded in the background during the importing of the module. The exact behavior is unknown, but the binary is obfuscated

---

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

Campaign: 2025-12-loguru-utf8

Reasons (based on the campaign):

 - clones-real-package

 - obfuscation

 - typosquatting

 - native-extension

## What should I do about MAL-2025-192435?

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-2025-192435 is a malicious package: loguru-utf8 (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-2025-192435/ (Markdown: https://insights.sbomify.com/MAL-2025-192435/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2025-192435

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From sbomify Insights: https://insights.sbomify.com/MAL-2025-192435/
Summaries are generated and may contain mistakes; the official description above is the record.