MAL-2026-2138

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/open-vp-cal/MAL-2026-2138.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-2138
Published
2026-03-24T19:30:00Z
Modified
2026-03-24T20:32:06.589702Z
Summary
Malicious code in open-vp-cal (PyPI)
Details

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

Source: kam193 (ab8c06b5d7e9b98d62708ab7377d9e18a214e884c69b0c7217979121aed06917)

When executing the module, the code installs a package from a remote location. The remote package contains malicious code exfiltrating selected env variables and selected information from credential files. The code claims to be security research.

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-03-open-vp-cal

Reasons (based on the campaign):

  • exfiltration-env-variables

  • Downloads and executes a remote malicious script.

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

Database specific 
{
    "iocs": {
        "domains": [
            "pack.nppacks.com",
            "nppacks.com"
        ],
        "urls": [
            "http://pack.nppacks.com/pip/open-vp-cal-spg-jp",
            "http://pack.nppacks.com/kurkur.php"
        ]
    },
    "malicious-packages-origins": [
        {
            "versions": [
                "1.3.1"
            ],
            "sha256": "ab8c06b5d7e9b98d62708ab7377d9e18a214e884c69b0c7217979121aed06917",
            "id": "pypi/2026-03-open-vp-cal/open-vp-cal",
            "import_time": "2026-03-24T20:16:47.763689482Z",
            "modified_time": "2026-03-24T19:30:00.587584Z",
            "source": "kam193"
        }
    ]
}
References
Credits

Affected packages

PyPI / open-vp-cal

Package

Name
open-vp-cal
View open source insights on deps.dev
Purl
pkg:pypi/open-vp-cal

Affected ranges

Affected versions

1.*
1.3.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/open-vp-cal/MAL-2026-2138.json"