mal-2026-3023
Vulnerability from ossf_malicious_packages
Published
2026-04-23 18:36
Modified
2026-04-23 18:36
Summary
Malicious code in test-pkg-jie (PyPI)
Details

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

Source: kam193 (bc409f90d96c576263a60bd95ab30260b973097425292cdd53999e49cb3c4011)

During installation, the package attempts to create a reverse shell


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

Campaign: 2026-04-my-package-jiecub3

Reasons (based on the campaign):

  • The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.
Credits

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "test-pkg-jie"
      },
      "versions": [
        "1.0.0",
        "1.1.0",
        "1.2.0",
        "1.3.0",
        "1.4.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "ANALYST"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-04-my-package-jiecub3/test-pkg-jie",
        "import_time": "2026-04-23T18:55:57.642502008Z",
        "modified_time": "2026-04-23T18:36:37.964293Z",
        "sha256": "bc409f90d96c576263a60bd95ab30260b973097425292cdd53999e49cb3c4011",
        "source": "kam193",
        "versions": [
          "1.0.0",
          "1.1.0",
          "1.2.0",
          "1.3.0",
          "1.4.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (bc409f90d96c576263a60bd95ab30260b973097425292cdd53999e49cb3c4011)\nDuring installation, the package attempts to create a reverse shell\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-04-my-package-jiecub3\n\n\nReasons (based on the campaign):\n\n\n - The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim\u0027s machine.\n",
  "id": "MAL-2026-3023",
  "modified": "2026-04-23T18:36:37Z",
  "published": "2026-04-23T18:36:37Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/test-pkg-jie"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in test-pkg-jie (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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