tabformerlite

GHSA-r8hm-8583-37qq

Malicious code in tabformerlite (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 99.0.0`

## Source: kam193 (24a23931f60d9a2daf27a6df2eff2f3102cb239f6d058bed6646d208787f0c5b)
Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.


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Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.


Campaign: GENERIC-standard-pypi-install-pentest


Reasons (based on the campaign):


 - 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.

## Source: ossf-package-analysis (1bb9649abbc3c57b35f0f247886a0b50587f752f3cf5707db3a57e85502d40f2)
The OpenSSF Package Analysis project identified 'tabformerlite' @ 99.0.0 (pypi) as malicious.

It is considered malicious because:

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

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/tabformerlite/MAL-2026-1295.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/tabformerlite
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/tabformerlite/MAL-2026-1295.json
- https://github.com/advisories/GHSA-r8hm-8583-37qq

Compromised versions (1)

= 99.0.0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.