# MAL-2026-3220: Malicious code in py-clob-clients (PyPI)


- **Type:** Malicious package
- **Package:** `py-clob-clients` (PyPI)
- **Published:** 1 May 2026

## What is MAL-2026-3220?

MAL-2026-3220 is a malicious package in py-clob-clients, published on 1 May 2026. 

### Official description

Package exfiltrates env variables from .env files. It's a typosquatting of a legitimate package and is used in a malicious GitHub repository

---

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

Campaign: 2026-05-py-clob-clients

Reasons (based on the campaign):

 - typosquatting

 - crypto-related

 - exfiltration-env-variables

 - action-hidden-in-lib-usage

 - The malicious code is intentionally included in a dependency of the package

## What should I do about MAL-2026-3220?

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-2026-3220 is a malicious package: py-clob-clients (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-2026-3220/ (Markdown: https://insights.sbomify.com/MAL-2026-3220/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2026-3220

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From sbomify Insights: https://insights.sbomify.com/MAL-2026-3220/
Summaries are generated and may contain mistakes; the official description above is the record.