mal-2026-849
Vulnerability from ossf_malicious_packages
Published
2026-02-11 06:56
Modified
2026-02-11 06:56
Summary
Malicious code in jsonconfig-utils (PyPI)
Details

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

Source: kam193 (883897a307b53ac17e981eac46b8d6f8c31d88fc2628c6d57c5f7f191ed84b81)

During installation, package installs a script that listens for remote commands and executes them. The script is also added to autostart configuration and disguised as system application


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

Campaign: 2026-02-devtools-webhook-cicd-utils

Reasons (based on the campaign):

  • The package overrides the install command in setup.py to execute malicious code during installation.

  • peristence-autorun

  • The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

  • obfuscation

Credits

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "jsonconfig-utils"
      },
      "versions": [
        "1.0.3",
        "1.0.4",
        "1.0.5",
        "1.0.6",
        "1.0.7",
        "1.0.8",
        "1.0.9",
        "1.0.10",
        "1.0.11"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "ips": [
        "77.246.103.245"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-02-devtools-webhook-cicd-utils/jsonconfig-utils",
        "import_time": "2026-02-11T07:27:38.367855281Z",
        "modified_time": "2026-02-11T06:56:16.904497Z",
        "sha256": "883897a307b53ac17e981eac46b8d6f8c31d88fc2628c6d57c5f7f191ed84b81",
        "source": "kam193",
        "versions": [
          "1.0.3",
          "1.0.4",
          "1.0.5",
          "1.0.6",
          "1.0.7",
          "1.0.8",
          "1.0.9",
          "1.0.10",
          "1.0.11"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (883897a307b53ac17e981eac46b8d6f8c31d88fc2628c6d57c5f7f191ed84b81)\nDuring installation, package installs a script that listens for remote commands and executes them. The script is also added to autostart configuration and disguised as system application\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-02-devtools-webhook-cicd-utils\n\n\nReasons (based on the campaign):\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n\n\n - peristence-autorun\n\n\n - The package contains code to execute remote commands (probably limited to a specific set) on the victim\u0027s machine.\n\n\n - obfuscation\n",
  "id": "MAL-2026-849",
  "modified": "2026-02-11T06:56:16Z",
  "published": "2026-02-11T06:56:16Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/jsonconfig-utils"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in jsonconfig-utils (PyPI)"
}


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Sightings

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  • 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.
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  • 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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