MAL-2026-18086

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/tailwindcss-animatemotion/MAL-2026-18086.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-18086
Published
2026-10-19T00:00:00Z
Modified
2026-10-29T14:45:05Z
Summary
Malicious code in tailwindcss-animatemotion (npm)
Details

tailwindcss-animatemotion (1.0.7) is a Tailwind CSS plugin from the fake job interview campaign behind MAL-2026-17665 and MAL-2026-17666: the same Animate.css integration template, README and description, published by doublekk61 on 2026-09-28. src/motion.js:5 requires the private scoped package @aaron205whitmore/postcss-animate-utils, which is not readable on the public registry and resolves only with the npm token committed in the lure repository's web/.npmrc, so the code it delivers runs when tailwind.config.js loads the plugin and the dev server starts. The published tarball contains no install scripts and no network code; the payload lives in the private dependency, which was not retrieved. Twenty-six such packages under seventeen accounts were published between 2026-07-28 and 2026-10-09.

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

Source: amazon-inspector (f1875d701acced7256cfa2d34bc1ced617af4ac7f4568414d547f8525e989e70)

Package tailwindcss-animatemotion@1.0.7 (npm) contains no observed behavior consistent with a supply-chain attack. No install-time or import-time network fetch-and-execute, no credential or environment-variable harvesting, no writes to installer secret paths, no lifecycle scripts performing privileged or destructive actions, and no hardcoded attacker-controlled endpoints were identified in the shipped files.

Database specific 
{
    "iocs": {
        "files": [
            {
                "note": "require of private scoped dependency @aaron205whitmore/postcss-animate-utils",
                "paths": [
                    "src/motion.js"
                ],
                "source": "PACKAGE_ARCHIVE"
            }
        ]
    },
    "malicious-packages-origins": [
        {
            "id": "IN-MAL-2026-022386",
            "import_time": "2026-10-29T14:37:06.705063583Z",
            "modified_time": "2026-10-29T14:26:07Z",
            "sha256": "f1875d701acced7256cfa2d34bc1ced617af4ac7f4568414d547f8525e989e70",
            "source": "amazon-inspector",
            "versions": [
                "1.0.7"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / tailwindcss-animatemotion

Package

Name
tailwindcss-animatemotion
View open source insights on deps.dev
Purl
pkg:npm/tailwindcss-animatemotion

Affected ranges

Affected versions

1.*
1.0.7

Database specific

cwes 
[
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    }
]
indicators 
{
    "package_integrity": [
        {
            "filename": "tailwindcss-animatemotion-1.0.7.tgz",
            "hashes": {
                "sha1": "ddfc08e02def7c343d82285445543a31b760eda6",
                "sha512_sri": "sha512-9aYXOICzPCVLRuoSb4VVbiSohq0Pabez/Sx6vozNUhultmGCOE3afQGlVWcfUWFmNQIUjVu9zySC+ELRZ9ya/w=="
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/tailwindcss-animatemotion/MAL-2026-18086.json"