MAL-2026-12809

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/technical-challenge/MAL-2026-12809.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-12809
Published
2026-08-05T13:14:00Z
Modified
2026-08-05T14:37:24.277682674Z
Summary
Malicious code in technical-challenge (npm)
Details

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

Source: amazon-inspector (6921f72a1b4fbaaba87fcbe3cb30137815e7e2bb932ffa794acd0010b8954c5f)

package.json declares preinstall: node index.js, causing index.js to run automatically on npm install. The script collects installer-side data — hostname, username, home directory, DNS server list, current working directory, package.json contents, and the contents of /etc/passwd and /etc/hosts — and HTTPS-POSTs it to a hardcoded Burp Collaborator subdomain at 5z5h9l8e7cktx1ihl6usn4zgb7h15rtg.oastify.com. The exfiltration fires unconditionally on install with no user interaction.

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "IN-MAL-2026-014935",
            "import_time": "2026-08-05T14:19:44.502431233Z",
            "sha256": "6921f72a1b4fbaaba87fcbe3cb30137815e7e2bb932ffa794acd0010b8954c5f",
            "versions": [
                "1.0.1"
            ],
            "source": "amazon-inspector",
            "modified_time": "2026-08-05T13:14:00Z"
        }
    ]
}
References
Credits

Affected packages

npm / technical-challenge

Package

Name
technical-challenge
View open source insights on deps.dev
Purl
pkg:npm/technical-challenge

Affected ranges

Affected versions

1.*
1.0.1

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": "index.js",
            "tlsh": "cb41f195a2d917330de210c06a0c70852399fa777159e99077cf4296af869f8b7326f3",
            "sha256": "63838de40d41b7dba0546dc04db004c973479c0c6c0b54000cef45e42f1c9b42"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/technical-challenge/MAL-2026-12809.json"