MAL-2026-6363

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/npmkekw/MAL-2026-6363.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-6363
Published
2026-06-24T02:37:21Z
Modified
2026-06-24T03:31:23.635754335Z
Summary
Malicious code in npmkekw (npm)
Details

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

Source: amazon-inspector (74384b76540c8d36fef8a30dc2acd3224defeaa8a58d0155101f2f670aa8b153)

The package's main module (index.js) exports an init() function that spawns /bin/bash via child_process.exec and opens a TCP socket to the hardcoded remote address 49.13.148.41:443, piping the shell's stdio through the socket — a textbook reverse-shell backdoor giving the operator at that IP interactive command execution on any host that calls init(). Package metadata is consistent with a throwaway attack vehicle: empty description, empty author, non-descriptive name npmkekw, and no other functional code. The payload as shipped contains a typo (references an undefined sh variable and pipes from cp.stdout) so it crashes on first use, but the intent and structure are unambiguous and a one-character fix would make it functional.

Database specific 
{
    "malicious-packages-origins": [
        {
            "sha256": "001543f96749cd3e6896e93ae9d601dcd9c9c7646de0a624e9c9d22f20032df3",
            "id": "IN-MAL-2026-007395",
            "source": "amazon-inspector",
            "modified_time": "2026-06-24T02:37:28Z",
            "versions": [
                "2.0.0"
            ],
            "import_time": "2026-06-24T03:14:01.114430528Z"
        },
        {
            "sha256": "bea6f325821de15ed962d2b22f820e53220dcb59004dd436a95cc5f4d0cc26ad",
            "import_time": "2026-06-24T03:14:00.968947176Z",
            "source": "amazon-inspector",
            "modified_time": "2026-06-24T02:37:25Z",
            "versions": [
                "2.0.3"
            ],
            "id": "IN-MAL-2026-007393"
        },
        {
            "sha256": "1810d4765039fea883114aab44274ee9a85c80801dd8ed7043de829764a8b14f",
            "id": "IN-MAL-2026-007394",
            "source": "amazon-inspector",
            "modified_time": "2026-06-24T02:37:25Z",
            "versions": [
                "2.0.5"
            ],
            "import_time": "2026-06-24T03:14:01.030598994Z"
        },
        {
            "sha256": "74384b76540c8d36fef8a30dc2acd3224defeaa8a58d0155101f2f670aa8b153",
            "id": "IN-MAL-2026-007392",
            "source": "amazon-inspector",
            "modified_time": "2026-06-24T02:37:21Z",
            "versions": [
                "2.0.1"
            ],
            "import_time": "2026-06-24T03:14:00.889880242Z"
        }
    ]
}
References
Credits

Affected packages

npm / npmkekw

Package

Name
npmkekw
View open source insights on deps.dev
Purl
pkg:npm/npmkekw

Affected ranges

Affected versions

2.*
2.0.0
2.0.1
2.0.3
2.0.5

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/npmkekw/MAL-2026-6363.json"
cwes 
[
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    },
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    },
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    },
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    }
]
indicators 
{
    "evidence_files": [
        {
            "sha256": "25137bb3be77d94697f75136f8188a5278d7c446242817bebd827f571190188f",
            "tlsh": "cbd02b6f36a75214227b20b01e0fec218d1584061700c65c538a4b68af808acad92b94",
            "path": "index.js"
        }
    ],
    "package_integrity": [
        {
            "filename": "npmkekw-2.0.0.tgz",
            "hashes": {
                "sha1": "4a53b2bc4e2660a1d3a4e09274d3c2e444ae08a2",
                "sha512_sri": "sha512-AcHNkW3dbraBJqKhkXNVvLiq8aiXjBqoeEPyFPqoUXpkSLSEoS8OqDRa2T7cdvZlJRFd1X/PwMyto9r6sAsOYw=="
            }
        }
    ]
}