MAL-2026-5151

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/parsimonius/MAL-2026-5151.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-5151
Published
2026-06-02T02:56:51Z
Modified
2026-06-02T04:01:47.573539277Z
Summary
Malicious code in parsimonius (PyPI)
Details

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

Source: kam193 (a5ab85a46a37da928774b1885049b71d40d675c54683b13711f4e371d932394a)

Clone of a legitimate package with an added RAT running through a Telegram bot. It can e.g. exfiltrate env variables and execute remote commands. The malicious action does not start if the geolocation or timezone suggests a Russian area.

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

Campaign: 2026-06-parsimonius

Reasons (based on the campaign):

  • typosquatting

  • exfiltration-env-variables

  • The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

  • rat

  • clones-real-package

  • abuses-pth

  • geo-restricted

  • uses-telegram-bot

Database specific 
{
    "malicious-packages-origins": [
        {
            "source": "kam193",
            "id": "pypi/2026-06-parsimonius/parsimonius",
            "import_time": "2026-06-02T03:48:13.486957588Z",
            "sha256": "a5ab85a46a37da928774b1885049b71d40d675c54683b13711f4e371d932394a",
            "modified_time": "2026-06-02T02:56:51.582024Z",
            "versions": [
                "0.10.0",
                "0.11.0",
                "0.11.1",
                "0.11.2",
                "0.11.3",
                "0.11.4",
                "0.11.5",
                "0.11.6",
                "0.12.0"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / parsimonius

Package

Name
parsimonius
View open source insights on deps.dev
Purl
pkg:pypi/parsimonius

Affected ranges

Affected versions

0.*
0.10.0
0.11.0
0.11.1
0.11.2
0.11.3
0.11.4
0.11.5
0.11.6
0.12.0

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/parsimonius/MAL-2026-5151.json"