MAL-2026-19226

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/quickgreet/MAL-2026-19226.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-19226
Published
2026-11-13T03:54:05Z
Modified
2026-11-13T04:30:05Z
Summary
Malicious code in quickgreet (npm)
Details

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

Source: amazon-inspector (430a8463ba4e5ea6b5dcb99d7410212773157b1c609d78b5a43bdf0cf9cd6c1b)

package.json declares a postinstall lifecycle script that runs an inline Node command reading os.hostname() and issuing an HTTP GET to ..oast.fun. The oast.fun service is an out-of-band interaction / callback collector used to confirm code execution and enumerate reachable installer environments; the hostname is embedded in the DNS label so it is captured by the operator's interactsh listener. The script performs no build, native-compile, or install task — its sole effect is to exfiltrate an installer identifier to an attacker-controlled OOB endpoint on every npm install.

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "IN-MAL-2026-022764",
            "import_time": "2026-11-13T04:13:31.009783436Z",
            "modified_time": "2026-11-13T03:54:05Z",
            "sha256": "430a8463ba4e5ea6b5dcb99d7410212773157b1c609d78b5a43bdf0cf9cd6c1b",
            "source": "amazon-inspector",
            "versions": [
                "0.0.2"
            ]
        }
    ]
}
References
Credits

Affected packages

npm / quickgreet

Package

Name
quickgreet
View open source insights on deps.dev
Purl
pkg:npm/quickgreet

Affected ranges

Affected versions

0.*
0.0.2

Database specific

cwes 
[
    {
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature.",
        "name": "Embedded Malicious Code"
    }
]
indicators 
{
    "evidence_files": [
        {
            "path": "package.json",
            "sha256": "9d01124b0267be983a95b29c1e42278d232b6927b3a66b521a5341232bd6b69a",
            "tlsh": "c0e07df80b90db3b21c00ee546ab8167f733c85150456a00f3b711aa06d83a25c7e489"
        }
    ],
    "package_integrity": [
        {
            "filename": "quickgreet-0.0.2.tgz",
            "hashes": {
                "sha1": "108902ca26abb96da12320fd373cbb17893ac187",
                "sha512_sri": "sha512-ehQL9/d25CK/aoZGDfNKccginkvhJTgyB1PuGs1h1lPUvC8ISuAdrPW7oPzOxWs+4lwbgWpfSuJ3M3AsOuhX8g=="
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/quickgreet/MAL-2026-19226.json"