mal-2025-191927
Vulnerability from ossf_malicious_packages
Published
2025-11-05 21:16
Modified
2025-12-31 02:45
Summary
Malicious code in wayspiritmcp-weather (PyPI)
Details

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

Source: kam193 (c3dbe830c7b2364daef2e4634c16062b86b0b26b88f95533e9413aa91bc646fd)

Package seems to provide an MCP server, but in fact contains attempts to make an LLM agent break safeguards. As the request is about leaves just a flag, it seems to be research.

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: 2025-11-wayspirit

Reasons (based on the campaign):

  • llm-threat
Credits
Kamil Mańkowski (kam193) github.com/kam193 bad-packages.kam193.eu/
Kamil Mańkowski (kam193) github.com/kam193 bad-packages.kam193.eu/
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wayspiritmcp-weather"
      },
      "versions": [
        "0.8.0",
        "0.7.15",
        "0.7.14",
        "0.7.13",
        "0.7.12",
        "0.7.11",
        "0.7.10",
        "0.7.9",
        "0.7.8",
        "0.7.7",
        "0.7.6",
        "0.7.5",
        "0.7.4",
        "0.7.3",
        "0.7.2",
        "0.7.1",
        "0.7.0",
        "0.6.3",
        "0.6.2",
        "0.6.1",
        "0.6.0",
        "0.5.1",
        "0.5.0",
        "0.4.6",
        "0.4.5",
        "0.4.4",
        "0.4.3",
        "0.4.2",
        "0.4.1",
        "0.4.0",
        "0.3.4",
        "0.3.3",
        "0.3.2",
        "0.3.1",
        "0.3.0",
        "0.2.9",
        "0.2.8",
        "0.2.7",
        "0.2.6",
        "0.2.5",
        "0.2.4",
        "0.2.3",
        "0.2.2",
        "0.2.1",
        "0.1.11",
        "0.1.10",
        "0.1.9",
        "0.1.8",
        "0.1.7",
        "0.1.6",
        "0.1.5",
        "0.1.4",
        "0.1.3",
        "0.1.2",
        "0.1.1",
        "0.1.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)"
    },
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "pypi/2025-11-wayspirit/wayspiritmcp-weather",
        "import_time": "2025-12-02T22:30:56.504142589Z",
        "modified_time": "2025-11-05T21:38:24.270137Z",
        "sha256": "1912a9f32d32b7620d986ec2a9fe13bef75616ae7f641319121559ac59c02241",
        "source": "kam193",
        "versions": [
          "0.8.0",
          "0.7.15",
          "0.7.14",
          "0.7.13",
          "0.7.12",
          "0.7.11",
          "0.7.10",
          "0.7.9",
          "0.7.8",
          "0.7.7",
          "0.7.6",
          "0.7.5",
          "0.7.4",
          "0.7.3",
          "0.7.2",
          "0.7.1",
          "0.7.0",
          "0.6.3",
          "0.6.2",
          "0.6.1",
          "0.6.0",
          "0.5.1",
          "0.5.0",
          "0.4.6",
          "0.4.5",
          "0.4.4",
          "0.4.3",
          "0.4.2",
          "0.4.1",
          "0.4.0",
          "0.3.4",
          "0.3.3",
          "0.3.2",
          "0.3.1",
          "0.3.0",
          "0.2.9",
          "0.2.8",
          "0.2.7",
          "0.2.6",
          "0.2.5",
          "0.2.4",
          "0.2.3",
          "0.2.2",
          "0.2.1",
          "0.1.11",
          "0.1.10",
          "0.1.9",
          "0.1.8",
          "0.1.7",
          "0.1.6",
          "0.1.5",
          "0.1.4",
          "0.1.3",
          "0.1.2",
          "0.1.1",
          "0.1.0",
          "0.8.0",
          "0.7.9",
          "0.7.8",
          "0.7.7",
          "0.7.5",
          "0.7.6",
          "0.7.4",
          "0.7.3",
          "0.7.2",
          "0.7.15",
          "0.7.14",
          "0.7.11",
          "0.7.13",
          "0.7.12",
          "0.7.10",
          "0.7.1",
          "0.6.3",
          "0.7.0",
          "0.6.2",
          "0.6.1",
          "0.6.0",
          "0.5.1",
          "0.5.0",
          "0.4.5",
          "0.4.6",
          "0.4.4",
          "0.4.3",
          "0.4.2",
          "0.4.1",
          "0.4.0",
          "0.3.4",
          "0.3.3",
          "0.3.2",
          "0.3.1",
          "0.3.0",
          "0.2.9",
          "0.2.8",
          "0.2.7",
          "0.2.6",
          "0.2.5",
          "0.2.4",
          "0.2.3",
          "0.2.2",
          "0.1.10",
          "0.1.11",
          "0.2.1"
        ]
      },
      {
        "id": "pypi/2025-11-wayspirit/wayspiritmcp-weather",
        "import_time": "2025-12-02T23:07:19.68844016Z",
        "modified_time": "2025-11-05T21:38:24.270137Z",
        "sha256": "c3dbe830c7b2364daef2e4634c16062b86b0b26b88f95533e9413aa91bc646fd",
        "source": "kam193",
        "versions": [
          "0.8.0",
          "0.7.15",
          "0.7.14",
          "0.7.13",
          "0.7.12",
          "0.7.11",
          "0.7.10",
          "0.7.9",
          "0.7.8",
          "0.7.7",
          "0.7.6",
          "0.7.5",
          "0.7.4",
          "0.7.3",
          "0.7.2",
          "0.7.1",
          "0.7.0",
          "0.6.3",
          "0.6.2",
          "0.6.1",
          "0.6.0",
          "0.5.1",
          "0.5.0",
          "0.4.6",
          "0.4.5",
          "0.4.4",
          "0.4.3",
          "0.4.2",
          "0.4.1",
          "0.4.0",
          "0.3.4",
          "0.3.3",
          "0.3.2",
          "0.3.1",
          "0.3.0",
          "0.2.9",
          "0.2.8",
          "0.2.7",
          "0.2.6",
          "0.2.5",
          "0.2.4",
          "0.2.3",
          "0.2.2",
          "0.2.1",
          "0.1.11",
          "0.1.10",
          "0.1.9",
          "0.1.8",
          "0.1.7",
          "0.1.6",
          "0.1.5",
          "0.1.4",
          "0.1.3",
          "0.1.2",
          "0.1.1",
          "0.1.0",
          "0.8.0",
          "0.7.9",
          "0.7.8",
          "0.7.7",
          "0.7.5",
          "0.7.6",
          "0.7.4",
          "0.7.3",
          "0.7.2",
          "0.7.15",
          "0.7.14",
          "0.7.11",
          "0.7.13",
          "0.7.12",
          "0.7.10",
          "0.7.1",
          "0.6.3",
          "0.7.0",
          "0.6.2",
          "0.6.1",
          "0.6.0",
          "0.5.1",
          "0.5.0",
          "0.4.5",
          "0.4.6",
          "0.4.4",
          "0.4.3",
          "0.4.2",
          "0.4.1",
          "0.4.0",
          "0.3.4",
          "0.3.3",
          "0.3.2",
          "0.3.1",
          "0.3.0",
          "0.2.9",
          "0.2.8",
          "0.2.7",
          "0.2.6",
          "0.2.5",
          "0.2.4",
          "0.2.3",
          "0.2.2",
          "0.1.10",
          "0.1.11",
          "0.2.1"
        ]
      },
      {
        "id": "pypi/2025-11-wayspirit/wayspiritmcp-weather",
        "import_time": "2025-12-30T22:39:04.369631178Z",
        "modified_time": "2025-11-05T21:38:24.270137Z",
        "sha256": "964f7b61870df92413da3344a6c03271c4f1cb91fe8159d0ce0b87dd2e9a7361",
        "source": "kam193",
        "versions": [
          "0.1.0",
          "0.1.1",
          "0.1.2",
          "0.1.3",
          "0.1.4",
          "0.1.5",
          "0.1.6",
          "0.1.7",
          "0.1.8",
          "0.1.9",
          "0.1.10",
          "0.1.10",
          "0.1.11",
          "0.1.11",
          "0.2.1",
          "0.2.1",
          "0.2.2",
          "0.2.2",
          "0.2.3",
          "0.2.3",
          "0.2.4",
          "0.2.4",
          "0.2.5",
          "0.2.5",
          "0.2.6",
          "0.2.6",
          "0.2.7",
          "0.2.7",
          "0.2.8",
          "0.2.8",
          "0.2.9",
          "0.2.9",
          "0.3.0",
          "0.3.0",
          "0.3.1",
          "0.3.1",
          "0.3.2",
          "0.3.2",
          "0.3.3",
          "0.3.3",
          "0.3.4",
          "0.3.4",
          "0.4.0",
          "0.4.0",
          "0.4.1",
          "0.4.1",
          "0.4.2",
          "0.4.2",
          "0.4.3",
          "0.4.3",
          "0.4.4",
          "0.4.4",
          "0.4.5",
          "0.4.5",
          "0.4.6",
          "0.4.6",
          "0.5.0",
          "0.5.0",
          "0.5.1",
          "0.5.1",
          "0.6.0",
          "0.6.0",
          "0.6.1",
          "0.6.1",
          "0.6.2",
          "0.6.2",
          "0.6.3",
          "0.6.3",
          "0.7.0",
          "0.7.0",
          "0.7.1",
          "0.7.1",
          "0.7.2",
          "0.7.2",
          "0.7.3",
          "0.7.3",
          "0.7.4",
          "0.7.4",
          "0.7.5",
          "0.7.5",
          "0.7.6",
          "0.7.6",
          "0.7.7",
          "0.7.7",
          "0.7.8",
          "0.7.8",
          "0.7.9",
          "0.7.9",
          "0.7.10",
          "0.7.10",
          "0.7.11",
          "0.7.11",
          "0.7.12",
          "0.7.12",
          "0.7.13",
          "0.7.13",
          "0.7.14",
          "0.7.14",
          "0.7.15",
          "0.7.15",
          "0.8.0",
          "0.8.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (c3dbe830c7b2364daef2e4634c16062b86b0b26b88f95533e9413aa91bc646fd)\nPackage seems to provide an MCP server, but in fact contains attempts to make an LLM agent break safeguards. As the request is about leaves just a flag, it seems to be research.\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: 2025-11-wayspirit\n\n\nReasons (based on the campaign):\n\n\n - llm-threat\n",
  "id": "MAL-2025-191927",
  "modified": "2025-12-31T02:45:16Z",
  "published": "2025-11-05T21:16:52Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/wayspiritmcp-weather"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in wayspiritmcp-weather (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.



Detection rules are retrieved from Rulezet.