mal-2026-2999
Vulnerability from ossf_malicious_packages
Published
2026-04-22 21:09
Modified
2026-04-22 21:09
Summary
Malicious code in pypdf-fork (PyPI)
Details

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

Source: kam193 (c3a651b0cc8ca7cc4fcae91ff3160af205a97d0aacacd8e88d76c04ce013bd02)

During importing the module, package sends a beacon notification to the owner. The package has no other differences from the original legitimate "pypdf".


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: 2026-04-pypdf-fork

Reasons (based on the campaign):

  • clones-real-package
Credits

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pypdf-fork"
      },
      "versions": [
        "6.10.2",
        "6.10.3"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-04-pypdf-fork/pypdf-fork",
        "import_time": "2026-04-22T21:21:55.649665095Z",
        "modified_time": "2026-04-22T21:09:16.391982Z",
        "sha256": "c3a651b0cc8ca7cc4fcae91ff3160af205a97d0aacacd8e88d76c04ce013bd02",
        "source": "kam193",
        "versions": [
          "6.10.2",
          "6.10.3"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (c3a651b0cc8ca7cc4fcae91ff3160af205a97d0aacacd8e88d76c04ce013bd02)\nDuring importing the module, package sends a beacon notification to the owner. The package has no other differences from the original legitimate \"pypdf\".\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: 2026-04-pypdf-fork\n\n\nReasons (based on the campaign):\n\n\n - clones-real-package\n",
  "id": "MAL-2026-2999",
  "modified": "2026-04-22T21:09:16Z",
  "published": "2026-04-22T21:09:16Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/pypdf-fork"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in pypdf-fork (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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