Malicious code in net-codec-testmetest (npm)

{
  "id": "c47b412e5f31861dc20cb6f02674e655173bb903e42711f3ec74c645e51e9df6",
  "url": "https://osv.dev/vulnerability/MAL-2026-18186",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Malicious code in net-codec-testmetest (npm)",
    "summary": "--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (7bf1dbafca56ccfcb849f9ebb80b7a1cdf42007fd12618492620e0f7660476b2) The package has no native source files but ships a binding.gyp whose sole target is type:'none' and whose sources array uses GYP command expansion (`",
    "evidence": "osv:MAL-2026-18186",
    "products": [
      {
        "name": {
          "value": "net-codec-testmetest",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.0.1",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "MAL-2026-18186",
      "aliases": [
        "MAL-2026-18186"
      ],
      "affected": [
        {
          "package": {
            "name": "net-codec-testmetest",
            "purl": "pkg:npm/net-codec-testmetest",
            "ecosystem": "npm"
          },
          "versions": [
            "1.0.1"
          ],
          "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/net-codec-testmetest/MAL-2026-18186.json",
            "indicators": {
              "evidence_files": [
                {
                  "path": "binding.gyp",
                  "tlsh": "e9c08c2cb838094539d91c3491a88402a4b242a3485a2d41fade60286fb841f288cb9d",
                  "sha256": "fda4df745212660faa56de9d1f20739402b418aab082401c38a4d3c1304123d3"
                },
                {
                  "path": "index.js",
                  "tlsh": "b96264626b891fa561c80cf6b39d6503a5a0e84f39b07b68ffd25597bd3d522bc20370",
                  "sha256": "b486d38715fdd26a182a04136e4d632cd53261b4a939445cea4273ade2a60444"
                }
              ],
              "package_integrity": [
                {
                  "hashes": {
                    "sha1": "189851c3dda4bad3678c4e21eab85f83d44118b0",
                    "sha512_sri": "sha512-jyQhiT5Sdqpjfze+sJsvU6yxESYvFD34AzcGmQixMysYEV6DQc9A5AyAH7uxC83ZeXA3B7m2/cs2YtAcmde2/g=="
                  },
                  "filename": "net-codec-testmetest-1.0.1.tgz"
                }
              ]
            }
          }
        }
      ],
      "modified": "2026-10-22T06:45:05.733009634Z",
      "provider": "osv",
      "references": [
        "https://www.npmjs.com/package/net-codec-testmetest/v/1.0.1"
      ],
      "provider_metadata": {
        "malicious-packages-origins": [
          {
            "id": "IN-MAL-2026-021578",
            "sha256": "7bf1dbafca56ccfcb849f9ebb80b7a1cdf42007fd12618492620e0f7660476b2",
            "source": "amazon-inspector",
            "versions": [
              "1.0.1"
            ],
            "import_time": "2026-10-22T06:30:24.841350261Z",
            "modified_time": "2026-10-22T06:11:48Z"
          }
        ]
      }
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 404574,
  "published_at": "2026-10-22T06:11:48+00:00"
}