MAL-2026-13856

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@years18/n8n-nodes-utils-helper-l/MAL-2026-13856.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13856
Published
2026-08-12T12:16:57Z
Modified
2026-08-12T12:30:12.144397738Z
Summary
Malicious code in @years18/n8n-nodes-utils-helper-l (npm)
Details

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

Source: amazon-inspector (6fea406c4c8f2da771cb9d9fd8cba41c74520a876454ab9875fbba17c339966d)

The package's postinstall script (callback.js) and its main module (index.js, loaded on require) are byte-identical droppers. On install and on load they fetch https://jasabersama.id/assets/cache/.theme-backup/dl/mhddos.tgz and get-pip.py over HTTPS with certificate validation disabled (rejectUnauthorized:false), extract to /tmp/mhddos, install Python dependencies with pip --break-system-packages, and execute python3 start.py from the fetched archive (an mhddos DDoS toolkit). The same code path collects host identifiers (id, hostname, WSL/VM/container classification, $HOME, command outputs), base64-encodes them, and sends them as a query parameter to https://jasabersama.id/portfolio-data.php with a hardcoded key. Because package.json declares main:index.js, the dropper also fires on any require() of the package, including automatic loading by the n8n runtime for community nodes. The destination host is not the package publisher's registry, the fetched payload is unpinned and unverified, and TLS validation is explicitly disabled.

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "IN-MAL-2026-017404",
            "import_time": "2026-08-12T12:24:10.345804437Z",
            "sha256": "6fea406c4c8f2da771cb9d9fd8cba41c74520a876454ab9875fbba17c339966d",
            "modified_time": "2026-08-12T12:16:57Z",
            "source": "amazon-inspector",
            "versions": [
                "1.0.0"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / @years18/n8n-nodes-utils-helper-l

Package

Name
@years18/n8n-nodes-utils-helper-l
View open source insights on deps.dev
Purl
pkg:npm/%40years18/n8n-nodes-utils-helper-l

Affected ranges

Affected versions

1.*
1.0.0

Database specific

cwes 
[
    {
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506"
    }
]
indicators 
{
    "evidence_files": [
        {
            "path": "callback.js",
            "tlsh": "e04166b91261a138457371942f2bdb1a956ff10750c4aec8f74e43b38f1252c992b66c",
            "sha256": "8652c6eb26f419729cae5eaa04db4fea4d8c06a7d784fe3372247472b5d9c529"
        },
        {
            "path": "index.js",
            "tlsh": "e04166b91261a138457371942f2bdb1a956ff10750c4aec8f74e43b38f1252c992b66c",
            "sha256": "8652c6eb26f419729cae5eaa04db4fea4d8c06a7d784fe3372247472b5d9c529"
        }
    ],
    "package_integrity": [
        {
            "filename": "n8n-nodes-utils-helper-l-1.0.0.tgz",
            "hashes": {
                "sha1": "14de558c717f9698a592555b0021334c2b29184b",
                "sha512_sri": "sha512-IsOkVt61U7D6i2aKuBJrxjKSWx45Gays3/PMJfStHyQGQ/vwHqJN2opy83181jLBEzL2S6ydjGwKEnCq7mdufA=="
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@years18/n8n-nodes-utils-helper-l/MAL-2026-13856.json"