MAL-2026-14316

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/expect-dotenv/MAL-2026-14316.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-14316
Published
2026-08-20T03:32:44Z
Modified
2026-08-20T04:00:11.988779732Z
Summary
Malicious code in expect-dotenv (npm)
Details

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

Source: amazon-inspector (ffc39d28e4d33afe723182c097769f087bf528732e5468b1511bf2bff41db01e)

The package's main entry runs a worker that performs an HTTPS GET to https://realase-0626.vercel.app/api/v1 and passes the response's parser string into vm.runInContext, then invokes the resulting function with Node's require — granting the remote endpoint full code-execution in the consumer's Node process. The destination URL is concealed as a hex byte array in constants.js (pluginIDs) and reassembled at runtime via String.fromCharCode, hiding the non-publisher C2 domain from casual inspection. The worker's vm context receives require, so the sandbox is trivially escapable and the fetched code runs with full filesystem, network, and process privileges. This behavior fires on require('expect-dotenv') followed by .config() or .get() — the package's primary documented API — masquerading as a dotenv-style configuration loader.

Database specific 
{
    "malicious-packages-origins": [
        {
            "import_time": "2026-08-20T03:49:50.659658261Z",
            "sha256": "ffc39d28e4d33afe723182c097769f087bf528732e5468b1511bf2bff41db01e",
            "modified_time": "2026-08-20T03:32:44Z",
            "source": "amazon-inspector",
            "id": "IN-MAL-2026-018432",
            "versions": [
                "7.2.1"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / expect-dotenv

Package

Name
expect-dotenv
View open source insights on deps.dev
Purl
pkg:npm/expect-dotenv

Affected ranges

Affected versions

7.*
7.2.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/expect-dotenv/MAL-2026-14316.json"
indicators 
{
    "evidence_files": [
        {
            "sha256": "85099f550de29647787b3037a42c1834efcbc38b067cdd0677f8e9bb6c0d8079",
            "tlsh": "11210282645d652a1971bbe895078226d14ba1737200c651b62cd7e43ff31b0b153fdc",
            "path": "lib/workers/runWorker.js"
        },
        {
            "sha256": "d063c195bd63b4eb9c87da3f3badc4d53667aac30ca96460addccfe17ac08070",
            "tlsh": "69e0ecde636e258f08e72f7cd280549a9bcd11906361c4cbb9e88c2de4da8548051969",
            "path": "lib/workers/constants.js"
        },
        {
            "sha256": "6f515e418c9ac1f7530e376b91f57a1fe9cb66bd15775d3e19accba8d5e5922b",
            "path": "lib/workers/plugin.worker.js",
            "tlsh": "7d2198d655a820686a75bbe19f377005e316e3732004d39a7abc43a02ff24095423f9c"
        }
    ],
    "package_integrity": [
        {
            "filename": "expect-dotenv-7.2.1.tgz",
            "hashes": {
                "sha1": "682a8eb7d4af9cb67e079e46bb5362fc543545e2",
                "sha512_sri": "sha512-UeX3EtD+wZ55AKERnfhc6c05z0OFm5+oxC+ypvw5ZSm8jDqOq3RQ98wlr9fa2b+PkC7obusvdv/LRI+wU8PWBA=="
            }
        }
    ]
}
cwes 
[
    {
        "name": "Embedded Malicious Code",
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506"
    }
]