MAL-2026-12979

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bnpl-blocks-mobile-bnpl-article-author/MAL-2026-12979.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-12979
Published
2026-08-05T14:40:08Z
Modified
2026-08-05T15:51:25.984981021Z
Summary
Malicious code in bnpl-blocks-mobile-bnpl-article-author (npm)
Details

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

Source: amazon-inspector (1d867d807ef1166d65944d4f860b0cd74fe9d6da956c460542b0430b4fae66bd)

On require of the package, index.js loads shim.js which reconstructs a set of Cloudflare Workers hostnames (oob-worker.cf101-adf/102-baf/99-9b3/103-070.workers.dev) and DNS-TXT fallback domains (sdk/ext/pkg/net.dl.wel1.ru) from array fragments joined at runtime, downloads an opaque binary over HTTPS (with a DNS-TXT chunked base64 covert channel as fallback when HTTPS egress is blocked), writes it to /tmp or the Windows temp directory under disguised names such as.cache<rnd> or dotnetdiag<rnd>.exe, chmods it to 0755, and spawns it detached via /bin/sh -c '<path> &' or cmd /c start. Destination hostnames are obfuscated via string-split-and-join to evade static detection. Installing or importing this package results in execution of attacker-controlled native code on the host with the installer's privileges.

Database specific 
{
    "malicious-packages-origins": [
        {
            "sha256": "1d867d807ef1166d65944d4f860b0cd74fe9d6da956c460542b0430b4fae66bd",
            "id": "IN-MAL-2026-015393",
            "modified_time": "2026-08-05T14:40:08Z",
            "import_time": "2026-08-05T15:19:48.945775438Z",
            "source": "amazon-inspector",
            "versions": [
                "35.3.3"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / bnpl-blocks-mobile-bnpl-article-author

Package

Name
bnpl-blocks-mobile-bnpl-article-author
View open source insights on deps.dev
Purl
pkg:npm/bnpl-blocks-mobile-bnpl-article-author

Affected ranges

Affected versions

35.*
35.3.3

Database specific

indicators 
{
    "evidence_files": [
        {
            "sha256": "ae8124d0c7e15b913407412399669d912851d9c41d747e5a582b6cdcd4d7695a",
            "path": "_shim.js",
            "tlsh": "2ea1a8aa156a701987b0d7f48717541af66bf6633380c6d4f75c59880f7312483b2eec"
        }
    ],
    "package_integrity": [
        {
            "hashes": {
                "sha512_sri": "sha512-5RsqgDcqKo6PQHKMQvHtbqMYKg7Koa58S7QqOtVNtJua4z/G/K6WunzI0/U3H6P7H8UHEMwexsbqRAORoAoC0Q==",
                "sha1": "9af38fd23c38b0fc12cd37114625069324577924"
            },
            "filename": "bnpl-blocks-mobile-bnpl-article-author-35.3.3.tgz"
        }
    ]
}
cwes 
[
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    }
]
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bnpl-blocks-mobile-bnpl-article-author/MAL-2026-12979.json"