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Malicious code in meualelo (npm)

Type: advisorySource: OSV1 source record

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (6fdf84c3f49f6d13b7ccbed745056f8bf03c4c7a2b814152962361ac07bd4191) The package's preinstall.js collects hostname, username, platform, cwd, and the full process.env, then POSTs the JSON payload over HTTPS (with TLS verification disabled via rejectUnauthorized:false) to the hardcoded bare-IP endpoint https://209.99.185.109/preinstall. index.js (postinstall path) additionally reads.env,.npmrc, package.json, and parent-directory.env files, runs whoami/id, and ships the collected contents plus full process.env to https://209.99.185.109/postinstall..npmrc typically contains the installer's npm _authToken and.env commonly contains cloud, database, and CI credentials. The package presents itself with author 'Alelo Dev Team' at version 99.0.0 while a bundled login.ps1 references a personal proton.me account for npm publishing, consistent with brand impersonation of Alelo.

Announced Source revision 1
Original source ↗

MAL-2026-14033

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:MAL-2026-14033

meualelo

Source reference: /affected/0/package/name

Affected versions
99.0.0

Source reference: /affected/0/versions

99.0.2

Source reference: /affected/0/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "package": {
      "name": "meualelo",
      "purl": "pkg:npm/meualelo",
      "ecosystem": "npm"
    },
    "versions": [
      "99.0.0",
      "99.0.2"
    ],
    "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/meualelo/MAL-2026-14033.json",
      "indicators": {
        "evidence_files": [
          {
            "path": "preinstall.js",
            "tlsh": "2ff002f041b9f2f07af5a6c0b067982261b3e1103917bcf0c9d841456b8f4681173cf1",
            "sha256": "d753bcad41ebf25fd1393ca3e6690c5213b956305ad9c50aa968b717ae7aec37"
          },
          {
            "path": "index.js",
            "tlsh": "4c21e1f067a4a3b07ab556d4e1ae50006263e2123d26b6f0b5d801917b1997815b3db0",
            "sha256": "27b0b358d7bdb88d005f7ac164dff32b13f7ac2c52eea12495e29aac286d3b65"
          },
          {
            "path": "login.ps1",
            "tlsh": "d7f0a272910a614d3ee4466b00f4f536fd3b133269d4de94a6a916c9f8c195c2972833",
            "sha256": "d784a3de392836730544da8e2ba25bcaaad2632f0cc8e4b8ce76b5cb4fe82d2b"
          }
        ],
        "package_integrity": [
          {
            "hashes": {
              "sha1": "a846f9cc16a80c77fc504a18c898659939226b77",
              "sha512_sri": "sha512-HPqpyXDaTX0lmZqsW8Jf6U5nlxVaV4DN/swAlw9s54IvvFz3/zo1r309GwciFRFjeakZ66MKY4ODJWj5ntvGww=="
            },
            "filename": "meualelo-99.0.0.tgz"
          }
        ]
      }
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#10965 · Revision 1
Added to Heist Feed
Publisher date
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