Malicious code in @praveenvjpm/color-utils-7210 (npm)

{
  "id": "fd734a109a0f4fa7ca148e1cd9cc393ccfae0f50c8af04a66e72362af1fcb848",
  "url": "https://osv.dev/vulnerability/MAL-2026-17651",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Malicious code in @praveenvjpm/color-utils-7210 (npm)",
    "summary": "--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (e0b29d9da4319a314669b87ffd4bc0d736dbf3f4c16803e0363ecb36288c7bb2) On npm install, the package's preinstall hook executes install.js, which collects host identifiers (os.hostname(), process.cwd(), username) and reads flag files from /flag, /flag.txt, /app/flag, /home/node/flag, and /tmp/flag, then PUTs the collected data to the hardcoded bare-IP endpoint http://154.57.164.66:39270/api/modules/* over plain HTTP. install.js is additionally wrapped as a PowerShell here-string (opening with @\" and closing with \"@ | Out-File -Encoding ascii install.js), structured as a polyglot that can rewrite itself on Windows before Node executes the exfiltration payload. The behavior fires automatically on default install and has no relationship to the package's stated color-utility purpose.",
    "evidence": "osv:MAL-2026-17651",
    "products": [
      {
        "name": {
          "value": "@praveenvjpm/color-utils-7210",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.0.0",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "MAL-2026-17651",
      "aliases": [
        "MAL-2026-17651"
      ],
      "affected": [
        {
          "package": {
            "name": "@praveenvjpm/color-utils-7210",
            "purl": "pkg:npm/%40praveenvjpm/color-utils-7210",
            "ecosystem": "npm"
          },
          "versions": [
            "1.0.0"
          ],
          "database_specific": {
            "cwes": [
              {
                "name": "Embedded Malicious Code",
                "cweId": "CWE-506",
                "description": "The product contains code that appears to be malicious in nature."
              }
            ],
            "source": "https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@praveenvjpm/color-utils-7210/MAL-2026-17651.json",
            "indicators": {
              "evidence_files": [
                {
                  "path": "install.js",
                  "tlsh": "9221bad25bf8602d0731a754907e8b2156e7d251300699b0b5dcc2e23fe4d6c4d73dea",
                  "sha256": "37b9ca9721fa27deb4ab121cce46d456ccc9ee348a54e92fb7458a5901cba410"
                }
              ],
              "package_integrity": [
                {
                  "hashes": {
                    "sha1": "4fd4436d152e5f8b24c5860f02ebbac6c0b978ec",
                    "sha512_sri": "sha512-Yf3YLult7DA5pKg1W3yDN7sooR5L6hCfOehmwDbKqBHaqDpVeoLPtyYzRgNzZxkkhFQQBIEEoRo1VO8XL/sBwg=="
                  },
                  "filename": "color-utils-7210-1.0.0.tgz"
                }
              ]
            }
          }
        }
      ],
      "modified": "2026-10-08T04:00:04.227021690Z",
      "provider": "osv",
      "references": [
        "https://www.npmjs.com/package/@praveenvjpm/color-utils-7210/v/1.0.0"
      ],
      "provider_metadata": {
        "malicious-packages-origins": [
          {
            "id": "IN-MAL-2026-021103",
            "sha256": "e0b29d9da4319a314669b87ffd4bc0d736dbf3f4c16803e0363ecb36288c7bb2",
            "source": "amazon-inspector",
            "versions": [
              "1.0.0"
            ],
            "import_time": "2026-10-08T03:50:28.060603408Z",
            "modified_time": "2026-10-08T03:36:19Z"
          }
        ]
      }
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 98426,
  "published_at": "2026-10-08T03:36:19+00:00"
}