MAL-2026-14226

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/animate-css-vite/MAL-2026-14226.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-14226
Published
2026-08-19T03:37:16Z
Modified
2026-08-19T04:00:16.848142650Z
Summary
Malicious code in animate-css-vite (npm)
Details

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

Source: amazon-inspector (67d6c86a03c6106e799d0817676fcc92f022b64790aab209aa9fe663c085c4e6)

plugin.js contains an RC4/base64 string-array obfuscated function invoked from the exported createPlugin factory. When a consumer's build instantiates the plugin, it constructs a URL at runtime, calls fetch() against it, base64-decodes the response body, and executes the result via new Function(param, decoded)(require) inside a retry loop (up to 10 attempts, 60s timeout each). The obfuscation (130-entry RC4 string array with two indirection decoders and a self-defending console-hook stub) hides the network destination and the fetch/exec wiring; a legitimate PostCSS plugin for vendor prefixes and CSS variables has no reason to fetch and evaluate remote code. The eval runs with require in scope, giving the remote operator arbitrary code execution inside the consumer's build process.

Database specific 
{
    "malicious-packages-origins": [
        {
            "import_time": "2026-08-19T03:49:30.46729361Z",
            "sha256": "67d6c86a03c6106e799d0817676fcc92f022b64790aab209aa9fe663c085c4e6",
            "modified_time": "2026-08-19T03:37:16Z",
            "source": "amazon-inspector",
            "id": "IN-MAL-2026-018326",
            "versions": [
                "1.0.1"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / animate-css-vite

Package

Name
animate-css-vite
View open source insights on deps.dev
Purl
pkg:npm/animate-css-vite

Affected ranges

Affected versions

1.*
1.0.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/animate-css-vite/MAL-2026-14226.json"
indicators 
{
    "evidence_files": [
        {
            "sha256": "7c718f02be563d9673a30d8ed0d91e1b42773795043ab219fe0d21d0371a87d8",
            "tlsh": "92321bbd3cf23614076b25e595ef08caa8b5a582384c7e44f16c85953f41f5ac1f396c",
            "path": "plugin.js"
        }
    ]
}
cwes 
[
    {
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature."
    }
]