MAL-2026-12965

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bnpl-blocks-independent-bnpl-picture-gallery/MAL-2026-12965.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-12965
Published
2026-08-05T14:42:08Z
Modified
2026-08-05T15:51:19.602632002Z
Summary
Malicious code in bnpl-blocks-independent-bnpl-picture-gallery (npm)
Details

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

Source: amazon-inspector (ac08a6b45c3e5bf1e25af236946e35b0329112aa715242ba326ee5b1c5f7621d)

On require() of this package, index.js loads platform.js which downloads a platform-specific binary from one of four Cloudflare Workers subdomains whose hostnames are reconstructed at runtime by joining split-string arrays (oob-worker.cf101-adf.workers.dev, oob-worker.cf103-070.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS-TXT fallback to sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru that base64-reassembles the payload from TXT record chunks. The fetched bytes are written to /var/tmp or %TEMP% under disguised names (.cache<rnd>, dotnetdiag<rnd>.exe), chmod 0755 is applied, and the file is spawned detached via /bin/sh -c '<path> &' or cmd.exe /c start /b. A second, equivalent dropper ships in lib/telemetry.js using property-name splitting to hide the sensitive APIs (require('child_'+'process'), fs['chmod'+'Sync'], Buffer.from(chunks,'base64'), cp.spawn('/bin/sh',['-c', filePath+' &'])). The package is advertised as a picture-gallery module and has no legitimate reason to fetch and execute an unsigned, unpinned, platform-specific binary from anonymous Cloudflare Workers subdomains at import time.

Database specific 
{
    "malicious-packages-origins": [
        {
            "sha256": "ac08a6b45c3e5bf1e25af236946e35b0329112aa715242ba326ee5b1c5f7621d",
            "id": "IN-MAL-2026-015406",
            "modified_time": "2026-08-05T14:42:08Z",
            "import_time": "2026-08-05T15:19:49.662835427Z",
            "source": "amazon-inspector",
            "versions": [
                "35.2.9"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / bnpl-blocks-independent-bnpl-picture-gallery

Package

Name
bnpl-blocks-independent-bnpl-picture-gallery
View open source insights on deps.dev
Purl
pkg:npm/bnpl-blocks-independent-bnpl-picture-gallery

Affected ranges

Affected versions

35.*
35.2.9

Database specific

indicators 
{
    "evidence_files": [
        {
            "sha256": "74bbe0f8cec4f87ac5951ad5b317d5be5a64db8bb83328ec0a950881f7f2a26a",
            "path": "_platform.js",
            "tlsh": "22b1855a16a5b0188fb0abe0c61b4816f66bf653368181c4f79c59985f73524c3b2efc"
        },
        {
            "sha256": "fe915c7894ab931b4e16e085e2eec6ece7174de25478b71700ccba1eee9ba3b9",
            "path": "lib/telemetry.js",
            "tlsh": "cd835055566a242186b2b368df234107ff3685272643429dbafc82dc1fbd72092a5ffc"
        }
    ],
    "package_integrity": [
        {
            "hashes": {
                "sha512_sri": "sha512-qDHrIbwNqigfPkWe9C1lw56OKAxhVsSOO5cokdDe/9QRh5EMuDy3qu/R6vsSzGzO9IMKfShDswZMI+J/gQmWAA==",
                "sha1": "b75537e6fb15554a2deab15382b3dbeefce6aed3"
            },
            "filename": "bnpl-blocks-independent-bnpl-picture-gallery-35.2.9.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-independent-bnpl-picture-gallery/MAL-2026-12965.json"