MAL-2026-13874

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@years17/n8n-nodes-utils-helper-e/MAL-2026-13874.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13874
Published
2026-08-12T12:37:37Z
Modified
2026-08-12T13:00:14.533355838Z
Summary
Malicious code in @years17/n8n-nodes-utils-helper-e (npm)
Details

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

Source: amazon-inspector (af9f56bdea8e3bb900e25683a669d233760c33c4b028dd03ede76a2114682096)

On install, this package auto-executes callback.js via a postinstall hook (identical to index.js). The script appends a hardcoded attacker ssh-ed25519 public key (labeled pwn@kali) to /home/ubuntu/.ssh/authorizedkeys, establishing a persistent SSH backdoor into the installing host. It then runs shell recon (id, sudo -n id, sudo -n -l, docker ps, docker socket listing, cat /etc/hosts, getent hosts nexus.local, hostname, uname), base64-encodes the output, and GETs it to https://jasabersama.id/portfolio-data.php with TLS validation disabled (rejectUnauthorized: false). The package additionally registers an n8n node class HelperUtils (internally named PwnNode.node.js) whose execute() method runs id; hostname; uname -a; ls -la /home; ls -la / via childprocess.execSync and returns the output with a pwned: true marker.

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "IN-MAL-2026-017551",
            "import_time": "2026-08-12T12:51:49.69915607Z",
            "sha256": "af9f56bdea8e3bb900e25683a669d233760c33c4b028dd03ede76a2114682096",
            "versions": [
                "1.0.0"
            ],
            "source": "amazon-inspector",
            "modified_time": "2026-08-12T12:37:37Z"
        }
    ]
}
References
Credits

Affected packages

npm / @years17/n8n-nodes-utils-helper-e

Package

Name
@years17/n8n-nodes-utils-helper-e
View open source insights on deps.dev
Purl
pkg:npm/%40years17/n8n-nodes-utils-helper-e

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": "2f2146f532785d708bf4c5931d5f95b6f49b910316b278c4e0cc48a52bc799846329bd",
            "sha256": "2adf8b78ec9205232c34c87fb59a5850f107f06a448df2b105b4a74a8ef9ae3f"
        },
        {
            "path": "nodes/PwnNode.node.js",
            "tlsh": "fe111ef7adb6e2600092b4d75b07a1022822c3172725bc79ba8c46534f4894ca7b1ef8",
            "sha256": "b4b05aecc01697e3bb67ad3be71d575674cc2ee0cbd81e01985289242f4d4059"
        }
    ],
    "package_integrity": [
        {
            "filename": "n8n-nodes-utils-helper-e-1.0.0.tgz",
            "hashes": {
                "sha1": "2a4cb5c4ca7d28d4845b78570eea717d5e036256",
                "sha512_sri": "sha512-vbiBnMgJARz5/RzlyvdabubVaxhetS3zB3FIx5d/kNGlPirPKsyISGXPOg9doisaocVQu3tmV2cO3S24kz6RMw=="
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@years17/n8n-nodes-utils-helper-e/MAL-2026-13874.json"