mal-2025-191696
Vulnerability from ossf_malicious_packages
Published
2025-08-14 16:16
Modified
2025-12-03 00:04
Summary
Malicious code in browser-run (PyPI)
Details

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

Source: kam193 (3b45aebce3647704ac54d30a38e86493e0246f9ea44131394f84628656ef00ed)

Package uses the name as popular NPM package (https://www.npmjs.com/package/browser-run), but the only thing it does is adding a hardcoded public SSH key and then calling back. This may allow the threat actor to remotely access the machine.


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

Campaign: 2025-08-browser-run

Reasons (based on the campaign):

  • backdoor

  • dependency-confusion

  • action-hidden-in-lib-usage


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "browser-run"
      },
      "versions": [
        "0.1.0",
        "0.2.0",
        "0.3.0"
      ]
    }
  ],
  "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": {
    "iocs": {
      "ips": [
        "18.144.73.108"
      ],
      "urls": [
        "http://18.144.73.108:3000/add-sshkey"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2025-08-browser-run/browser-run",
        "import_time": "2025-12-02T22:30:55.017673593Z",
        "modified_time": "2025-08-14T17:38:42.538567Z",
        "sha256": "2cf8be6641fd96523c535fa60b1e795826587df33aeb93952a02a3cfa6061c35",
        "source": "kam193",
        "versions": [
          "0.1.0",
          "0.2.0",
          "0.3.0"
        ]
      },
      {
        "id": "pypi/2025-08-browser-run/browser-run",
        "import_time": "2025-12-02T23:07:18.036121515Z",
        "modified_time": "2025-08-14T17:38:42.538567Z",
        "sha256": "3b45aebce3647704ac54d30a38e86493e0246f9ea44131394f84628656ef00ed",
        "source": "kam193",
        "versions": [
          "0.1.0",
          "0.2.0",
          "0.3.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (3b45aebce3647704ac54d30a38e86493e0246f9ea44131394f84628656ef00ed)\nPackage uses the name as popular NPM package (https://www.npmjs.com/package/browser-run), but the only thing it does is adding a hardcoded public SSH key and then calling back. This may allow the threat actor to remotely access the machine.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-08-browser-run\n\n\nReasons (based on the campaign):\n\n\n - backdoor\n\n\n - dependency-confusion\n\n\n - action-hidden-in-lib-usage\n",
  "id": "MAL-2025-191696",
  "modified": "2025-12-03T00:04:26Z",
  "published": "2025-08-14T16:16:45Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/browser-run"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in browser-run (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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