MAL-2026-16458
Vulnerability from ossf_malicious_packages
Published
2026-09-23 02:44
Modified
2026-09-23 04:46
Summary
Malicious code in tuxcmdfhjkw (npm)
Details

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

Source: amazon-inspector (ed907ab556a271a706db9227bfa0cd751f7a3dae9005bca41167ffdfc8be75b8)

The package's only shipped file is an HTML page that mimics a Cloudflare 'Just a moment...' verification screen and embeds obfuscator.io-style JavaScript (_0xNNNN identifiers, string-array lookups) that runtime-constructs a URL beginning with 'https://ap' from decoded string-array entries. The package.json declares no preinstall/install/postinstall lifecycle scripts, and main points at an HTML file that Node cannot require, so installing or requiring the package does not execute the embedded script on the installer's machine. The content is a phishing page targeting browser users who might be steered to render it, i.e. registry abuse using npm as a content host rather than an attack on package installers.

Source: ghsa-malware (ee9b178308f2fb0e66b25444c0b033ae9057d8bf3b1d186c54e748edb4f5bf6f)

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

CWE
  • CWE-506 - The product contains code that appears to be malicious in nature.
  • CWE-506 - The product contains code that appears to be malicious in nature.

{
  "affected": [
    {
      "database_specific": {
        "cwes": [
          {
            "cweId": "CWE-506",
            "description": "The product contains code that appears to be malicious in nature.",
            "name": "Embedded Malicious Code"
          },
          {
            "cweId": "CWE-506",
            "description": "The product contains code that appears to be malicious in nature.",
            "name": "Embedded Malicious Code"
          }
        ],
        "indicators": {
          "evidence_files": [
            {
              "path": "index.html",
              "sha256": "a46b7399328e599c083a85d544a7ef9491a7e621cf85413fe01e8259d42ba1b3",
              "tlsh": "a4139540a3c6784821039fb7bb2fa2d5e639aa5571890c8ff54c3d94dfeba08d9d0974"
            }
          ]
        }
      },
      "package": {
        "ecosystem": "npm",
        "name": "tuxcmdfhjkw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": [
        "1.0.0"
      ]
    }
  ],
  "aliases": [
    "GHSA-67q5-w9wg-mvvv"
  ],
  "credits": [
    {
      "contact": [
        "inspector-research@amazon.com"
      ],
      "name": "Amazon Inspector",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "GHSA-67q5-w9wg-mvvv",
        "import_time": "2026-09-23T03:30:31.187642772Z",
        "modified_time": "2026-09-23T02:44:29Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "SEMVER"
          }
        ],
        "sha256": "ee9b178308f2fb0e66b25444c0b033ae9057d8bf3b1d186c54e748edb4f5bf6f",
        "source": "ghsa-malware"
      },
      {
        "id": "IN-MAL-2026-020438",
        "import_time": "2026-09-23T04:44:15.473838669Z",
        "modified_time": "2026-09-23T04:28:47Z",
        "sha256": "ed907ab556a271a706db9227bfa0cd751f7a3dae9005bca41167ffdfc8be75b8",
        "source": "amazon-inspector",
        "versions": [
          "1.0.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (ed907ab556a271a706db9227bfa0cd751f7a3dae9005bca41167ffdfc8be75b8)\nThe package\u0027s only shipped file is an HTML page that mimics a Cloudflare \u0027Just a moment...\u0027 verification screen and embeds obfuscator.io-style JavaScript (`_0xNNNN` identifiers, string-array lookups) that runtime-constructs a URL beginning with \u0027https://ap\u0027 from decoded string-array entries. The package.json declares no preinstall/install/postinstall lifecycle scripts, and `main` points at an HTML file that Node cannot require, so installing or requiring the package does not execute the embedded script on the installer\u0027s machine. The content is a phishing page targeting browser users who might be steered to render it, i.e. registry abuse using npm as a content host rather than an attack on package installers.\n\n## Source: ghsa-malware (ee9b178308f2fb0e66b25444c0b033ae9057d8bf3b1d186c54e748edb4f5bf6f)\nAny computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.\n",
  "id": "MAL-2026-16458",
  "modified": "2026-09-23T04:46:31.345112738Z",
  "published": "2026-09-23T02:44:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-67q5-w9wg-mvvv"
    },
    {
      "type": "PACKAGE",
      "url": "https://www.npmjs.com/package/tuxcmdfhjkw/v/1.0.0"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in tuxcmdfhjkw (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.
  • 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.
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  • 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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