MAL-2025-191666

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/yelp-pkg/MAL-2025-191666.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2025-191666
Published
2025-10-20T11:58:32Z
Modified
2026-03-19T12:58:34.471390Z
Summary
Malicious code in yelp-pkg (PyPI)
Details

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

Source: kam193 (fdea5ca17bb09234a292159e525a2a38ac3fd43760c6f2184aa27f563f320075)

During import, the package attempts to exfiltrate potentially sensitive data.

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

Campaign: GENERIC-questionable-pentest

Reasons (based on the campaign):

  • exfiltration-env-variables

  • exfiltration-generic

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

  • typosquatting

Database specific 
{
    "malicious-packages-origins": [
        {
            "sha256": "6c7a1648bff6faa98675b02278353e85594405df04fe9bbd92cf3f1151ce79e0",
            "source": "reversing-labs",
            "modified_time": "2025-12-01T12:55:12Z",
            "id": "RLMA-2025-05644",
            "import_time": "2025-12-02T09:09:39.917652181Z",
            "versions": [
                "1337.0.0"
            ]
        },
        {
            "sha256": "70b3149ccd32bf7e90a06b289e8ea3363279bbe38f6047eb5427e04a12fc11d1",
            "source": "kam193",
            "modified_time": "2025-10-20T11:58:32.224488Z",
            "id": "pypi/GENERIC-questionable-pentest/yelp-pkg",
            "import_time": "2025-12-02T22:30:55.784788995Z",
            "versions": [
                "1337.0.0"
            ]
        },
        {
            "sha256": "fdea5ca17bb09234a292159e525a2a38ac3fd43760c6f2184aa27f563f320075",
            "source": "kam193",
            "modified_time": "2025-10-20T11:58:32.224488Z",
            "id": "pypi/GENERIC-questionable-pentest/yelp-pkg",
            "import_time": "2025-12-02T23:07:18.827686702Z",
            "versions": [
                "1337.0.0"
            ]
        },
        {
            "sha256": "73eab611641522ed8e570f6dc66743eb01811ab883fa2aa94db61e5c7a2c79e2",
            "source": "reversing-labs",
            "modified_time": "2026-03-18T12:20:47Z",
            "id": "RLUA-2026-00940",
            "import_time": "2026-03-19T12:20:45.207682867Z"
        }
    ]
}
References
Credits

Affected packages

PyPI / yelp-pkg

Package

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

Affected ranges

Affected versions

1337.*
1337.0.0

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/yelp-pkg/MAL-2025-191666.json"