mal-2025-191842
Vulnerability from ossf_malicious_packages
Published
2025-07-16 19:16
Modified
2025-12-11 09:27
Summary
Malicious code in python-uvicorn (PyPI)
Details

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

Source: kam193 (5396386b3e45bc2cc83befa80cc1843f6d8374728a22274ffbbc124319ddc16d)

Malicious copy of uvicorn package with added healthcheck endpoint that exfiltrates application settings/env vars


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

Campaign: 2025-07-python-uvicorn

Reasons (based on the campaign):

  • clones-real-package

  • action-hidden-in-lib-usage


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "python-uvicorn"
      },
      "versions": [
        "0.35.0",
        "0.35.1",
        "0.36.0",
        "0.36.1"
      ]
    }
  ],
  "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/2025-07-python-uvicorn/python-uvicorn",
        "import_time": "2025-12-02T22:30:55.494633044Z",
        "modified_time": "2025-07-16T19:16:51.35396Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "9828112ea544c22486327053a0f6d83a5cc266162c45ad7f04e7976d4957e633",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-07-python-uvicorn/python-uvicorn",
        "import_time": "2025-12-02T23:07:18.519441201Z",
        "modified_time": "2025-07-16T19:16:51.35396Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "5396386b3e45bc2cc83befa80cc1843f6d8374728a22274ffbbc124319ddc16d",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-07-python-uvicorn/python-uvicorn",
        "import_time": "2025-12-10T21:38:57.738556883Z",
        "modified_time": "2025-07-16T19:16:51.35396Z",
        "sha256": "38823212e4bbaa76994c242265f4194ea97d0769628a0b4b6ddf9e914c107bb8",
        "source": "kam193",
        "versions": [
          "0.35.0",
          "0.35.1",
          "0.36.0",
          "0.36.1"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (5396386b3e45bc2cc83befa80cc1843f6d8374728a22274ffbbc124319ddc16d)\nMalicious copy of uvicorn package with added healthcheck endpoint that exfiltrates application settings/env vars\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-07-python-uvicorn\n\n\nReasons (based on the campaign):\n\n\n - clones-real-package\n\n\n - action-hidden-in-lib-usage\n",
  "id": "MAL-2025-191842",
  "modified": "2025-12-11T09:27:53Z",
  "published": "2025-07-16T19:16:51Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/python-uvicorn"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in python-uvicorn (PyPI)"
}


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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.
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