MAL-2025-6248 Malicious code in foundry-jupyter-extension (PyPI)

Malicious package Published
Package
foundry-jupyter-extension
Registry
PyPI

What is MAL-2025-6248?

MAL-2025-6248 is a malicious package in foundry-jupyter-extension, published on 26 Jul 2025.

Official description

Installing or importing the module triggers exfiltration of environmental variables


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

Campaign: 2025-07-foundry-jupyter-extension

Reasons (based on the campaign):

  • exfiltration-env-variables

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

  • The package overrides the install command in setup.py to execute malicious code during installation.

The OpenSSF Package Analysis project identified 'foundry-jupyter-extension' @ 0.23.0 (pypi) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

What should I do about MAL-2025-6248?

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

Sources

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