mal-2026-2949
Vulnerability from ossf_malicious_packages
Published
2026-04-20 11:11
Modified
2026-04-20 11:11
Summary
Malicious code in pathjoin (PyPI)
Details

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

Source: kam193 (5d3371f333f94c4729d5d42e65faa4c699aeffe3367f471373957fdd415f0253)

During import, the code downloads and executes encrypted payload from remote location. During analysis, remote code was prepared to download the next stage executable.


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

Campaign: 2026-04-pathjoin

Reasons (based on the campaign):

  • obfuscation

  • Downloads and executes a remote malicious script.

Credits

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pathjoin"
      },
      "versions": [
        "1.0.0",
        "1.0.1",
        "1.0.2",
        "1.0.3",
        "1.0.4",
        "1.0.5",
        "1.0.6"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "brainwavehub.org",
        "gifpngstore.com"
      ],
      "urls": [
        "https://gifpngstore.com/test/dataP.php"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-04-pathjoin/pathjoin",
        "import_time": "2026-04-20T11:33:52.430963443Z",
        "modified_time": "2026-04-20T11:11:12.274977Z",
        "sha256": "5d3371f333f94c4729d5d42e65faa4c699aeffe3367f471373957fdd415f0253",
        "source": "kam193",
        "versions": [
          "1.0.0",
          "1.0.1",
          "1.0.2",
          "1.0.3",
          "1.0.4",
          "1.0.5",
          "1.0.6"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (5d3371f333f94c4729d5d42e65faa4c699aeffe3367f471373957fdd415f0253)\nDuring import, the code downloads and executes encrypted payload from remote location. During analysis, remote code was prepared to download the next stage executable.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-04-pathjoin\n\n\nReasons (based on the campaign):\n\n\n - obfuscation\n\n\n - Downloads and executes a remote malicious script.\n",
  "id": "MAL-2026-2949",
  "modified": "2026-04-20T11:11:12Z",
  "published": "2026-04-20T11:11:12Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/pathjoin"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in pathjoin (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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