MAL-2026-15915

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/text-transform-plus/MAL-2026-15915.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-15915
Published
2026-09-04T05:20:02Z
Modified
2026-09-04T05:45:05.632437902Z
Summary
Malicious code in text-transform-plus (npm)
Details

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

Source: amazon-inspector (e3efed1eeb185e17a51a67059e57156e5c540899e5a30076df710e0242a5560c)

The package's postinstall script downloads a ZIP archive from a hardcoded Dropbox URL (https://www.dropbox.com/scl/fi/djz38wdi1wks9j1h57zuv/coeur.zip) to a hidden randomized temp path, extracts it using unzip/Expand-Archive, and executes any.exe found on Windows with detached, hidden-window flags. The install script short-circuits when NODE_ENV=production or CI is set, and stages the payload under os.tmpdir() with dot-prefixed random names (.${Date.now()}.tmp, .data${Math.random()...}) to evade sandbox/CI environments and casual discovery. The declared purpose (a text-transform utility) has no need for any binary download or execution. The fetched binary is unpinned, unverified, and delivered from an anonymous file-sharing host, yielding arbitrary code execution on developer Windows machines at npm install time.

Database specific 
{
    "malicious-packages-origins": [
        {
            "import_time": "2026-09-04T05:39:32.946696425Z",
            "source": "amazon-inspector",
            "versions": [
                "1.2.4"
            ],
            "id": "IN-MAL-2026-019480",
            "modified_time": "2026-09-04T05:20:02Z",
            "sha256": "e3efed1eeb185e17a51a67059e57156e5c540899e5a30076df710e0242a5560c"
        }
    ]
}
References
Credits

Affected packages

npm / text-transform-plus

Package

Name
text-transform-plus
View open source insights on deps.dev
Purl
pkg:npm/text-transform-plus

Affected ranges

Affected versions

1.*
1.2.4

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/text-transform-plus/MAL-2026-15915.json"
indicators 
{
    "evidence_files": [
        {
            "path": "scripts/install.js",
            "tlsh": "8641a6d916f3523141f3a3d9a7afe41ba18b9613328ed8947d9c91005fa163893a1cdc",
            "sha256": "bab27aa150c4ae875821d8a813a67b9ebfffb1541744fa0ab5f2aba6b44f91ea"
        }
    ],
    "package_integrity": [
        {
            "filename": "text-transform-plus-1.2.4.tgz",
            "hashes": {
                "sha1": "ab56c9547c0a2b065e42af7f4c623f0169fcd839",
                "sha512_sri": "sha512-JGwj69RKHSAkm9+1/kHbo/mcGeAj176peR95zORbJP2pCbkxtXd2yMpzAsMf+cBJSZbA8xrdnUhDZfzFRHymzQ=="
            }
        }
    ]
}
cwes 
[
    {
        "description": "The product contains code that appears to be malicious in nature.",
        "cweId": "CWE-506",
        "name": "Embedded Malicious Code"
    }
]