MAL-2026-16149

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/os-info-meeb322k/MAL-2026-16149.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-16149
Published
2026-09-14T16:44:27Z
Modified
2026-09-14T17:30:06Z
Summary
Malicious code in os-info-meeb322k (npm)
Details

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

Source: amazon-inspector (cf3b4f18f9d98ad0792f96d750aef64b390ae6a516d948457d1e78b1d3242ab8)

The package's postinstall lifecycle script runs unconditionally on npm install. It collects host identifiers (hostname, platform, architecture, kernel release, uid/gid, CPU count, memory) and internal network interface addresses, base64-encodes the payload, and POSTs it over plain HTTP to the hardcoded subdomain vml73pdk3ft3t434ssjycv4khbn2btzi.oastify.com — a Burp Collaborator (OAST) callback host used to confirm code execution on the installer. The package has no other functionality; its sole install-time effect is the outbound beacon carrying installer reconnaissance data to an attacker-controlled domain.

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "IN-MAL-2026-020025",
            "import_time": "2026-09-14T17:15:20.7894485Z",
            "modified_time": "2026-09-14T16:44:27Z",
            "sha256": "cf3b4f18f9d98ad0792f96d750aef64b390ae6a516d948457d1e78b1d3242ab8",
            "source": "amazon-inspector",
            "versions": [
                "1.0.0"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / os-info-meeb322k

Package

Name
os-info-meeb322k
View open source insights on deps.dev
Purl
pkg:npm/os-info-meeb322k

Affected ranges

Affected versions

1.*
1.0.0

Database specific

cwes 
[
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    }
]
indicators 
{
    "evidence_files": [
        {
            "path": "postinstall.js",
            "sha256": "1d1f5e5f6b82627777336227669621baa5daeb3ba2c3a4f517a4de5533be8c5a",
            "tlsh": "1b3153d406fa46303ab911c434979823daa1d1163a1ab8f9bcfc06c5dfce5d861727bd"
        }
    ],
    "package_integrity": [
        {
            "filename": "os-info-meeb322k-1.0.0.tgz",
            "hashes": {
                "sha1": "4d709506226e1f670312cd987a6a84f3bda182db",
                "sha512_sri": "sha512-z5VEWcqF7T/hUaYOnv1Ek0Ri1Q8IbU12431U8rS4aSclAXzHgYm5taEYuoVsSPMU9/mj/Bb5pPKFPV7M/42oDQ=="
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/os-info-meeb322k/MAL-2026-16149.json"