MAL-2026-13004

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bnpl-blocks-mobile-bnpl-separator/MAL-2026-13004.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-13004
Published
2026-08-05T14:39:15Z
Modified
2026-08-05T15:51:38.187137969Z
Summary
Malicious code in bnpl-blocks-mobile-bnpl-separator (npm)
Details

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

Source: amazon-inspector (6a76b1d07f3d0357fa471ba2b1e5a0052b1b789f96763446a20e19cf7ac7ab11)

On require of the package, index.js loads bootstrap.js which fetches a platform-specific binary payload over HTTPS from author-controlled hosts whose names are assembled at runtime by joining split string fragments (resolving to *.workers.dev subdomains), with a fallback that reassembles a base64-chunked payload from DNS TXT records under *.dl.wel1.ru. The fetched binary is written to /tmp/.cache<rnd> on Unix or %TEMP%/dotnetdiag<rnd>.exe on Windows, chmod'd 0755, and spawned detached via /bin/sh -c or cmd. A stamp file named.analyticsstate and env-var checks for DISABLETELEMETRY/ANALYTICSOPTOUT are used as a telemetry-themed cover. The destination hosts are not the package's publisher infrastructure, the fetched bytes are opaque and unpinned, and execution occurs at import time on every consumer machine.

Database specific 
{
    "malicious-packages-origins": [
        {
            "modified_time": "2026-08-05T14:39:15Z",
            "source": "amazon-inspector",
            "id": "IN-MAL-2026-015387",
            "import_time": "2026-08-05T15:19:48.648980769Z",
            "sha256": "6a76b1d07f3d0357fa471ba2b1e5a0052b1b789f96763446a20e19cf7ac7ab11",
            "versions": [
                "35.5.2"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / bnpl-blocks-mobile-bnpl-separator

Package

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

Affected ranges

Affected versions

35.*
35.5.2

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bnpl-blocks-mobile-bnpl-separator/MAL-2026-13004.json"
indicators 
{
    "package_integrity": [
        {
            "filename": "bnpl-blocks-mobile-bnpl-separator-35.5.2.tgz",
            "hashes": {
                "sha512_sri": "sha512-54O+ZtMZ1QzXoP89vaMG42cXIWP2zUP2itNsnZqF4a3hgU8m64TPWcoVoP5v6W4d/yj2CI6octePKjqqu2aDuw==",
                "sha1": "bede8835584220398c1fbef11c2ea0fbc555fee7"
            }
        }
    ],
    "evidence_files": [
        {
            "tlsh": "c5a1955616aa70188bb0dbe487175416f65ff6633380c594fb9ca5981f7312483b2efc",
            "sha256": "f2c3dbe80e05111ac857365fe58869510bcd980fde9457f23c4ef413c433fd45",
            "path": "_bootstrap.js"
        }
    ]
}
cwes 
[
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    }
]