MAL-2026-12765

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/devplatform-spa-plugin-dom-render/MAL-2026-12765.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-12765
Published
2026-08-05T13:42:18Z
Modified
2026-08-05T14:37:00.545215174Z
Summary
Malicious code in devplatform-spa-plugin-dom-render (npm)
Details

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

Source: amazon-inspector (091445440fe06ab01a0a3fb29eca1c376b69c5daa5583f6a73edfe964b2b9afa)

index.js unconditionally requires./platform on module load. platform.js assembles endpoint hostnames at runtime by joining string fragments (evading static analysis), downloads a platform-specific native binary over HTTPS from randomized Cloudflare Workers hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS-TXT fallback channel that base64-decodes chunked TXT records from sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru. The fetched payload is written to /var/tmp/.cache<hex> or %TEMP%\dotnetdiag_<hex>.exe, chmodded 0755, and spawned detached via /bin/sh -c or cmd.exe /c start. A sibling file lib/telemetry.js contains a duplicate dropper implementation (base64 buffers, cp.spawn write-and-exec, chmod 0755) that is not reachable from the current entrypoint but mirrors the same capability.

Database specific 
{
    "malicious-packages-origins": [
        {
            "modified_time": "2026-08-05T13:42:18Z",
            "source": "amazon-inspector",
            "sha256": "091445440fe06ab01a0a3fb29eca1c376b69c5daa5583f6a73edfe964b2b9afa",
            "import_time": "2026-08-05T14:19:51.79238162Z",
            "id": "IN-MAL-2026-015005",
            "versions": [
                "35.5.5"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / devplatform-spa-plugin-dom-render

Package

Name
devplatform-spa-plugin-dom-render
View open source insights on deps.dev
Purl
pkg:npm/devplatform-spa-plugin-dom-render

Affected ranges

Affected versions

35.*
35.5.5

Database specific

indicators 
{
    "package_integrity": [
        {
            "filename": "devplatform-spa-plugin-dom-render-35.5.5.tgz",
            "hashes": {
                "sha512_sri": "sha512-PrpdtGghYstx3tVdZu6v8mSNru3W9BxDA5by/7IbwsuW0lox4xB+ZK3mVUhjM2UP1TiwOrRsAo9dNRO0ZK4DDA==",
                "sha1": "3249a649c334f2ec98f5320b3aec66591873ca6a"
            }
        }
    ],
    "evidence_files": [
        {
            "tlsh": "efa1969a16a670194fb0ebe4c61b8826f65ef6a333808184fb5c65985f7351483b1efc",
            "sha256": "11cbfabb965e70ceac1341bd98389537b865296f67f6c86c59cc1c19b32fd676",
            "path": "_platform.js"
        },
        {
            "tlsh": "f7835056566a142186b2b368df234107ff3685272642429dbafc82dc1fbd72092a5ffc",
            "sha256": "81a442e154d7eb0c2be4ffe280cc797b8effeb5c5d0264be543eb19297285216",
            "path": "lib/telemetry.js"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/devplatform-spa-plugin-dom-render/MAL-2026-12765.json"
cwes 
[
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    }
]