MAL-2026-2138
Vulnerability from ossf_malicious_packages
Published
2026-03-24 19:30
Modified
2026-03-24 19:30
Summary
Malicious code in open-vp-cal (PyPI)
Details

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

Source: kam193 (ab8c06b5d7e9b98d62708ab7377d9e18a214e884c69b0c7217979121aed06917)

When executing the module, the code installs a package from a remote location. The remote package contains malicious code exfiltrating selected env variables and selected information from credential files. The code claims to be security research.


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

Campaign: 2026-03-open-vp-cal

Reasons (based on the campaign):

  • exfiltration-env-variables

  • Downloads and executes a remote malicious script.

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

Credits

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "open-vp-cal"
      },
      "versions": [
        "1.3.1"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "pack.nppacks.com",
        "nppacks.com"
      ],
      "urls": [
        "http://pack.nppacks.com/pip/open-vp-cal-spg-jp",
        "http://pack.nppacks.com/kurkur.php"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-03-open-vp-cal/open-vp-cal",
        "import_time": "2026-03-24T20:16:47.763689482Z",
        "modified_time": "2026-03-24T19:30:00.587584Z",
        "sha256": "ab8c06b5d7e9b98d62708ab7377d9e18a214e884c69b0c7217979121aed06917",
        "source": "kam193",
        "versions": [
          "1.3.1"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (ab8c06b5d7e9b98d62708ab7377d9e18a214e884c69b0c7217979121aed06917)\nWhen executing the module, the code installs a package from a remote location. The remote package contains malicious code exfiltrating selected env variables and selected information from credential files. The code claims to be security research.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-03-open-vp-cal\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-env-variables\n\n\n - Downloads and executes a remote malicious script.\n\n\n - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.\n",
  "id": "MAL-2026-2138",
  "modified": "2026-03-24T19:30:00Z",
  "published": "2026-03-24T19:30:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/open-vp-cal"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in open-vp-cal (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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