mal-2026-98
Vulnerability from ossf_malicious_packages
Published
2026-01-06 19:10
Modified
2026-01-06 19:10
Summary
Malicious code in py-publish-test-0126 (PyPI)
Details

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

Source: kam193 (993085ca23a6a729d332eade4d58778a42c1d19b18237ab4b3c3a6bacf9fd126)

Dependency confusion demonstration package with reporting through a decorator function


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: 2025-12-sec-lab-it

Reasons (based on the campaign):

  • dependency-confusion

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

  • typosquatting

Credits

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "py-publish-test-0126"
      },
      "versions": [
        "0.1.0",
        "0.2.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "dependency-confusion.sec-lab.it",
        "b32.simplest-solutions.pl",
        "simplest-solutions.pl",
        "sec-lab.it"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2025-12-sec-lab-it/py-publish-test-0126",
        "import_time": "2026-01-06T20:08:10.793233643Z",
        "modified_time": "2026-01-06T19:10:44.172813Z",
        "sha256": "993085ca23a6a729d332eade4d58778a42c1d19b18237ab4b3c3a6bacf9fd126",
        "source": "kam193",
        "versions": [
          "0.1.0",
          "0.2.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (993085ca23a6a729d332eade4d58778a42c1d19b18237ab4b3c3a6bacf9fd126)\nDependency confusion demonstration package with reporting through a decorator function\n\n\n---\n\nCategory: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research \u0026 co, with clearly low-harm possibilities.\n\n\nCampaign: 2025-12-sec-lab-it\n\n\nReasons (based on the campaign):\n\n\n - dependency-confusion\n\n\n - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.\n\n\n - typosquatting\n",
  "id": "MAL-2026-98",
  "modified": "2026-01-06T19:10:44Z",
  "published": "2026-01-06T19:10:44Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/py-publish-test-0126"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in py-publish-test-0126 (PyPI)"
}


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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.


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