mal-2026-2403
Vulnerability from ossf_malicious_packages
Published
2026-04-01 15:30
Modified
2026-04-01 16:27
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

Credits
Kamil Mańkowski (kam193) github.com/kam193 bad-packages.kam193.eu/
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "polymarkets-sdk"
      },
      "versions": [
        "1.0.0",
        "1.0.1"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "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",
        "modified_time": "2026-04-01T15:30:14.120234Z",
        "sha256": "facfcba74011619f5bb2eaf096e41239f81520cb4effff3b45f8b42c84d42060",
        "source": "kam193",
        "versions": [
          "1.0.0",
          "1.0.1"
        ]
      },
      {
        "id": "pypi/2026-03-polymarkets-sdk/polymarkets-sdk",
        "import_time": "2026-04-01T16:25:43.525317742Z",
        "modified_time": "2026-04-01T15:37:06.608356Z",
        "sha256": "b41c34e997e591fca5ebc478ed1464d71d29fe2d2b3b276bcb56b09ff9124791",
        "source": "kam193",
        "versions": [
          "1.0.0",
          "1.0.1"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (facfcba74011619f5bb2eaf096e41239f81520cb4effff3b45f8b42c84d42060)\nDuring import, the code attempts to exfiltrate to a hardcoded location sensitive data, including private SSH keys, cloud credentials and Windows SAM database.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-03-polymarkets-sdk\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-credentials\n\n\n - files-exfiltration\n\n\n - exfiltration-cloud-tokens\n",
  "id": "MAL-2026-2403",
  "modified": "2026-04-01T16:27:32Z",
  "published": "2026-04-01T15:30:14Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/polymarkets-sdk"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in polymarkets-sdk (PyPI)"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.