MAL-2026-13583
Vulnerability from ossf_malicious_packages
Published
2026-08-07 12:34
Modified
2026-08-07 12:34
Summary
Malicious code in dolyame-ui-inputsearchtagged (npm)
Details

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

Source: amazon-inspector (9880fbbce0555f24a1b8910b6271c9b74bd210c1e2aad74bee6ef21338c2eff3)

On require of the package, init.js selects a platform-specific payload, downloads opaque bytes over HTTPS from a rotating set of anonymous Cloudflare Workers hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev, oob-worker.cf103-070.workers.dev), with a fallback covert channel using DNS TXT lookups against sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru to reassemble a base64 payload. The downloaded bytes are written to /var/tmp/.cache on Linux or %TEMP%/dotnet_diag_.exe on Windows, chmod 0755, and spawned detached via spawn("/bin/sh") or spawn("cmd"). Hostnames are constructed from split-string arrays joined at runtime to evade static analysis, and file names (.cache_, dotnet_diag_.exe, /tmp/.analytics_state) plus DISABLE_TELEMETRY/DO_NOT_TRACK env checks are used as a telemetry cover story. There is no pinning, no integrity check, and the destinations are unrelated to any legitimate publisher; installing or importing the package results in full-host code execution under attacker control.

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

{
  "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": "_init.js",
              "sha256": "c7bd315ccdff5aa61b417339864d9dfba4204b0f97eafd62a218293f0c57d6fe",
              "tlsh": "62a1b60916fa70180792e6d4851f9826709bf94336c5d594fb4c7a988feb12883b39fc"
            }
          ],
          "package_integrity": [
            {
              "filename": "dolyame-ui-inputsearchtagged-35.8.1.tgz",
              "hashes": {
                "sha1": "eb48c1e846492c146c0bdb35a60df762414bb290",
                "sha512_sri": "sha512-aZJXmJXijhWxrSwomkzkZIEIbfI1qmg5O1kXFe1gs7SNiBGRfvcFPp2rSxUOGPv4cgDKMb2zNk/R1V/aQpNj4g=="
              }
            }
          ]
        }
      },
      "package": {
        "ecosystem": "npm",
        "name": "dolyame-ui-inputsearchtagged"
      },
      "versions": [
        "35.8.1"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "inspector-research@amazon.com"
      ],
      "name": "Amazon Inspector",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "IN-MAL-2026-017038",
        "import_time": "2026-08-07T12:51:23.291559192Z",
        "modified_time": "2026-08-07T12:34:53Z",
        "sha256": "9880fbbce0555f24a1b8910b6271c9b74bd210c1e2aad74bee6ef21338c2eff3",
        "source": "amazon-inspector",
        "versions": [
          "35.8.1"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (9880fbbce0555f24a1b8910b6271c9b74bd210c1e2aad74bee6ef21338c2eff3)\nOn require of the package, _init.js selects a platform-specific payload, downloads opaque bytes over HTTPS from a rotating set of anonymous Cloudflare Workers hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev, oob-worker.cf103-070.workers.dev), with a fallback covert channel using DNS TXT lookups against sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru to reassemble a base64 payload. The downloaded bytes are written to /var/tmp/.cache_\u003chex\u003e on Linux or %TEMP%/dotnet_diag_\u003chex\u003e.exe on Windows, chmod 0755, and spawned detached via spawn(\"/bin/sh\") or spawn(\"cmd\"). Hostnames are constructed from split-string arrays joined at runtime to evade static analysis, and file names (.cache_\u003chex\u003e, dotnet_diag_\u003chex\u003e.exe, /tmp/.analytics_state) plus DISABLE_TELEMETRY/DO_NOT_TRACK env checks are used as a telemetry cover story. There is no pinning, no integrity check, and the destinations are unrelated to any legitimate publisher; installing or importing the package results in full-host code execution under attacker control.\n",
  "id": "MAL-2026-13583",
  "modified": "2026-08-07T12:34:53Z",
  "published": "2026-08-07T12:34:53Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://www.npmjs.com/package/dolyame-ui-inputsearchtagged/v/35.8.1"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in dolyame-ui-inputsearchtagged (npm)"
}



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Sightings

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Nomenclature

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