MAL-2026-2170

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/fairness-bias/MAL-2026-2170.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-2170
Published
2026-03-25T05:05:53Z
Modified
2026-03-25T06:06:11.475993Z
Summary
Malicious code in fairness-bias (PyPI)
Details

-= Per source details. Do not edit below this line.=-

Source: kam193 (c76439565a70fd014098388baf5dd9a679f90be992102ba689fc0b7d6d3db352)

Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.

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 (335b61ea467900506b7c9ab231d39902730c0c23c3b48c9292fd137ddd5d107c)

The OpenSSF Package Analysis project identified 'fairness-bias' @ 99.0.0 (pypi) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.
Database specific 
{
    "malicious-packages-origins": [
        {
            "versions": [
                "99.0.0"
            ],
            "sha256": "335b61ea467900506b7c9ab231d39902730c0c23c3b48c9292fd137ddd5d107c",
            "import_time": "2026-03-25T05:08:01.309908366Z",
            "modified_time": "2026-03-25T05:05:53Z",
            "source": "ossf-package-analysis"
        },
        {
            "versions": [
                "99.0.0"
            ],
            "sha256": "c76439565a70fd014098388baf5dd9a679f90be992102ba689fc0b7d6d3db352",
            "id": "pypi/GENERIC-standard-pypi-install-pentest/fairness-bias",
            "import_time": "2026-03-25T05:52:35.049677585Z",
            "modified_time": "2026-03-25T05:07:03.893401Z",
            "source": "kam193"
        }
    ]
}
References
Credits

Affected packages

PyPI / fairness-bias

Package

Name
fairness-bias
View open source insights on deps.dev
Purl
pkg:pypi/fairness-bias

Affected ranges

Affected versions

99.*
99.0.0

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/fairness-bias/MAL-2026-2170.json"