# MAL-2025-191674: Malicious code in aiogram-msgeffect (PyPI)


- **Type:** Malicious package
- **Package:** `aiogram-msgeffect` (PyPI)
- **Published:** 22 Nov 2025

## What is MAL-2025-191674?

MAL-2025-191674 is a malicious package in aiogram-msgeffect, published on 22 Nov 2025. 

### Official description

Importing the module starts obfuscated code which then look for data related to some Telegram clients and attempt to exfiltrate them

---

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

Campaign: 2025-11-tgeffect

Reasons (based on the campaign):

 - obfuscation

 - target:telegram

 - exfiltration-credentials

## What should I do about MAL-2025-191674?

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-2025-191674 is a malicious package: aiogram-msgeffect (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-2025-191674/ (Markdown: https://insights.sbomify.com/MAL-2025-191674/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2025-191674

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From sbomify Insights: https://insights.sbomify.com/MAL-2025-191674/
Summaries are generated and may contain mistakes; the official description above is the record.