MAL-2026-12066

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/hubert-appointment-v2-task-create-am/MAL-2026-12066.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-12066
Published
2026-08-05T01:45:23Z
Modified
2026-08-05T03:20:49.395057260Z
Summary
Malicious code in hubert-appointment-v2-task-create-am (npm)
Details

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

Source: amazon-inspector (e8f56f6191b24e3c2163a226ca0bb2b76f309fb9a7aabb77f8ebc5ddf63bd109)

On require(), platform.js reconstructs destination hostnames from split-string arrays (e.g. 'oob-worker.cf103-070.workers.dev' assembled from ['oob-w','ork','er.cf103-070.','worker','s.','dev']) and downloads an unpinned platform-specific binary via https.get over a set of anonymous *.workers.dev hosts (oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev, oob-worker.cf103-070.workers.dev) with a DNS-TXT base64 fallback resolved through *.dl.well1.site (e.g. 'tin.dl.well1.site' assembled from ['tin.dl.well1.','si','te']). The downloaded bytes are written to /var/tmp/.cache<tok> on Linux or to the Windows TEMP directory as dotnetdiag<tok>.exe, chmodded 0755, and spawned detached via spawn('/bin/sh', ['-c', fp + ' &'], {detached:true}) or cmd /c start. A 'telemetry/analytics' cover story with a DONOTTRACK opt-out and an analytics_state cooldown marker is layered around the drop-and-exec. No hash or signature verification is performed on the fetched binary.

Database specific 
{
    "malicious-packages-origins": [
        {
            "import_time": "2026-08-05T03:11:17.170977851Z",
            "modified_time": "2026-08-05T01:45:23Z",
            "sha256": "e8f56f6191b24e3c2163a226ca0bb2b76f309fb9a7aabb77f8ebc5ddf63bd109",
            "id": "IN-MAL-2026-011522",
            "versions": [
                "20.4.4"
            ],
            "source": "amazon-inspector"
        }
    ]
}
References
Credits

Affected packages

npm / hubert-appointment-v2-task-create-am

Package

Name
hubert-appointment-v2-task-create-am
View open source insights on deps.dev
Purl
pkg:npm/hubert-appointment-v2-task-create-am

Affected ranges

Affected versions

20.*
20.4.4

Database specific

cwes 
[
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    }
]
indicators 
{
    "package_integrity": [
        {
            "hashes": {
                "sha512_sri": "sha512-TWiqEMEx8E9bzPdhz8TTLDzws1ed04zT4s6t3XXmZEVGCVu6vi6/u/eNCHipsc3D8mJ4qEYeXmoi2zeMbkvxzA==",
                "sha1": "2ab1077a52ff1f079b0751faf9d32bceb975fb9c"
            },
            "filename": "hubert-appointment-v2-task-create-am-20.4.4.tgz"
        }
    ],
    "evidence_files": [
        {
            "path": "_platform.js",
            "sha256": "96e546ce36c5df9c0001d6e4d5bec0cb5eda9a66ea81eff1ddc737fdce1bd976",
            "tlsh": "ada1999a116a302d87b0ebe48717581af657f663738082d4fb5c95941f7316483b2efc"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/hubert-appointment-v2-task-create-am/MAL-2026-12066.json"