MAL-2026-4661
Vulnerability from ossf_malicious_packages
Published
2026-05-20 05:46
Modified
2026-05-20 05:46
Summary
Malicious code in react-tracked-tony (npm)
Details

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

Source: amazon-inspector (eeb24dfdd4a970dc44c017056c2a39bed6aa5973a7ec7e94b20c70d90114726c)

react-tracked-tony impersonates the popular react-tracked package: package.json sets name: react-tracked-tony, author: Daishi Kato, and homepage: https://react-tracked.js.org (the real project's site), while the repository URL points at an unrelated user account (github.com/daltonchristiano060-gif/react-tracked-tony.git). The package re-exports the real react-tracked API to appear functional. On require/import in Node, endex.js fetches a JavaScript payload from https://almondco.online/api/droppers/38jmkse over HTTPS with TLS verification explicitly disabled (rejectUnauthorized: false) and executes the response body in-process via new Function('require', text + tail)(require), handing the remote code full Node require access. Before fetching, endex.js enumerates ~20 cloud/CI/sandbox indicators (GitHub Actions, GitLab CI, CircleCI, Travis, Vercel, Netlify, Kubernetes, AWS Lambda/ECS/Batch, Azure, GCP Cloud Run/App Engine) and reads /sys/class/dmi/id/sys_vendor to detect Amazon/Google/Microsoft/QEMU/OpenStack hypervisors, aborting on match — a deliberate anti-analysis gate so the payload only fires on real developer/operator machines. Combination of typosquat + impersonated author metadata + import-time remote-code-exec from a non-publisher domain + TLS verification disabled + sandbox evasion is an unambiguous supply-chain attack.

CWE
  • CWE-506 - The product contains code that appears to be malicious in nature.
Credits
Amazon Inspector actran@amazon.com

{
  "affected": [
    {
      "database_specific": {
        "cwes": [
          {
            "cweId": "CWE-506",
            "description": "The product contains code that appears to be malicious in nature.",
            "name": "Embedded Malicious Code"
          }
        ],
        "indicators": {
          "evidence_files": [
            {
              "path": "dist/endex.js",
              "sha256": "9dfd6663c1a1d8a452cb356580a060542777b173393f7626b789c15ae10baa99",
              "tlsh": "9fb111d8b9f763390397f1bc464fa50af7ab64032229c511bd5d83603f9127483b2ae9"
            },
            {
              "path": "package.json",
              "sha256": "49e43b79771ba9064c26dcb8efa298695a45fa988fc3ba151e4ac2d39d0733f8",
              "tlsh": "e9b1ee08c9d38ca31aa6a56c3ea970965519d147cd48bc1c73d9c22e0f0e67f62f4bad"
            }
          ],
          "package_integrity": [
            {
              "filename": "react-tracked-tony-2.0.1.tgz",
              "hashes": {
                "sha1": "3945adc077663ded35fdaf6b22c77586d5d6a73e",
                "sha512_sri": "sha512-NckhKcQJOWZ+sDXp35SaigIg5WtdkDi8B8NUPtJlUe9aQF/2kC7cYDyT0Oom2TAKmq82q2mMy49N6oezfb9yEg=="
              }
            }
          ]
        }
      },
      "package": {
        "ecosystem": "npm",
        "name": "react-tracked-tony"
      },
      "versions": [
        "2.0.1"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "actran@amazon.com"
      ],
      "name": "Amazon Inspector",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "IN-MAL-2026-003473",
        "import_time": "2026-05-26T05:50:42.641834809Z",
        "modified_time": "2026-05-20T05:46:00Z",
        "sha256": "eeb24dfdd4a970dc44c017056c2a39bed6aa5973a7ec7e94b20c70d90114726c",
        "source": "amazon-inspector",
        "versions": [
          "2.0.1"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (eeb24dfdd4a970dc44c017056c2a39bed6aa5973a7ec7e94b20c70d90114726c)\nreact-tracked-tony impersonates the popular react-tracked package: package.json sets `name: react-tracked-tony`, `author: Daishi Kato`, and `homepage: https://react-tracked.js.org` (the real project\u0027s site), while the repository URL points at an unrelated user account (github.com/daltonchristiano060-gif/react-tracked-tony.git). The package re-exports the real react-tracked API to appear functional. On require/import in Node, endex.js fetches a JavaScript payload from https://almondco.online/api/droppers/38jmkse over HTTPS with TLS verification explicitly disabled (`rejectUnauthorized: false`) and executes the response body in-process via `new Function(\u0027require\u0027, text + tail)(require)`, handing the remote code full Node `require` access. Before fetching, endex.js enumerates ~20 cloud/CI/sandbox indicators (GitHub Actions, GitLab CI, CircleCI, Travis, Vercel, Netlify, Kubernetes, AWS Lambda/ECS/Batch, Azure, GCP Cloud Run/App Engine) and reads /sys/class/dmi/id/sys_vendor to detect Amazon/Google/Microsoft/QEMU/OpenStack hypervisors, aborting on match \u2014 a deliberate anti-analysis gate so the payload only fires on real developer/operator machines. Combination of typosquat + impersonated author metadata + import-time remote-code-exec from a non-publisher domain + TLS verification disabled + sandbox evasion is an unambiguous supply-chain attack.\n",
  "id": "MAL-2026-4661",
  "modified": "2026-05-20T05:46:00Z",
  "published": "2026-05-20T05:46:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://www.npmjs.com/package/react-tracked-tony/v/2.0.1"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in react-tracked-tony (npm)"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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