MAL-2026-2403

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/polymarkets-sdk/MAL-2026-2403.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-2403
Published
2026-04-01T15:30:14Z
Modified
2026-04-01T16:32:08.347801Z
Summary
Malicious code in polymarkets-sdk (PyPI)
Details

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

Source: kam193 (facfcba74011619f5bb2eaf096e41239f81520cb4effff3b45f8b42c84d42060)

During import, the code attempts to exfiltrate to a hardcoded location sensitive data, including private SSH keys, cloud credentials and Windows SAM database.

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

Campaign: 2026-03-polymarkets-sdk

Reasons (based on the campaign):

  • exfiltration-credentials

  • files-exfiltration

  • exfiltration-cloud-tokens

Database specific 
{
    "iocs": {
        "ips": [
            "52.16.41.151"
        ]
    },
    "malicious-packages-origins": [
        {
            "id": "pypi/2026-03-polymarkets-sdk/polymarkets-sdk",
            "import_time": "2026-04-01T15:34:17.768474139Z",
            "sha256": "facfcba74011619f5bb2eaf096e41239f81520cb4effff3b45f8b42c84d42060",
            "source": "kam193",
            "modified_time": "2026-04-01T15:30:14.120234Z",
            "versions": [
                "1.0.0",
                "1.0.1"
            ]
        },
        {
            "id": "pypi/2026-03-polymarkets-sdk/polymarkets-sdk",
            "import_time": "2026-04-01T16:25:43.525317742Z",
            "sha256": "b41c34e997e591fca5ebc478ed1464d71d29fe2d2b3b276bcb56b09ff9124791",
            "source": "kam193",
            "modified_time": "2026-04-01T15:37:06.608356Z",
            "versions": [
                "1.0.0",
                "1.0.1"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / polymarkets-sdk

Package

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

Affected ranges

Affected versions

1.*
1.0.0
1.0.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/polymarkets-sdk/MAL-2026-2403.json"