MAL-2026-5335

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/xfoobar/MAL-2026-5335.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-5335
Published
2026-06-08T21:41:16Z
Modified
2026-06-08T22:15:46.530729947Z
Summary
Malicious code in xfoobar (PyPI)
Details

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

Source: kam193 (a54c1c17d20a069af19c48751aada9e426bcbf55484c360cf21ac70f35d3d0dd)

During import, the package starts a reverse shell

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

Campaign: 2026-06-anthropy

Reasons (based on the campaign):

  • The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.
Database specific 
{
    "malicious-packages-origins": [
        {
            "modified_time": "2026-06-08T21:41:16.890882Z",
            "versions": [
                "0.0.5"
            ],
            "sha256": "a54c1c17d20a069af19c48751aada9e426bcbf55484c360cf21ac70f35d3d0dd",
            "id": "pypi/2026-06-anthropy/xfoobar",
            "source": "kam193",
            "import_time": "2026-06-08T22:06:48.158650002Z"
        }
    ],
    "iocs": {
        "domains": [
            "dns.subtrace.xyz",
            "subtrace.xyz"
        ],
        "ips": [
            "54.176.251.240"
        ]
    }
}
References
Credits

Affected packages

PyPI / xfoobar

Package

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

Affected ranges

Affected versions

0.*
0.0.5

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/xfoobar/MAL-2026-5335.json"