MAL-2026-18271

See a problem?
Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/fontus/MAL-2026-18271.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-18271
Published
2026-10-25T10:58:27Z
Modified
2026-10-25T11:30:03Z
Summary
Malicious code in fontus (PyPI)
Details

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

Source: kam193 (2a8fcff0fd4d827c6f174318ee41ea82eb2667c6d65349a01ca2215aa2f4dd5e)

The package most likely performs fingerprinting by exfiltrating basic information and available fonts, with no other functionality.

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-fontus

Reasons (based on the campaign):

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.
Database specific 
{
    "iocs":  {
        "domains":  [
            "conservative-execute-shoulder-innovation.trycloudflare.com",
            "ci-collector.andy-827.workers.dev",
            "remind-eos-standard-cds.trycloudflare.com"
        ]
    },
    "malicious-packages-origins":  [
        {
            "id":  "pypi/2026-10-fontus/fontus",
            "import_time":  "2026-10-25T11:15:02.932024538Z",
            "modified_time":  "2026-10-25T10:58:27.245929Z",
            "sha256":  "2a8fcff0fd4d827c6f174318ee41ea82eb2667c6d65349a01ca2215aa2f4dd5e",
            "source":  "kam193",
            "versions":  [
                "0.0.1",
                "0.0.2",
                "0.0.3"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / fontus

Package

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

Affected ranges

Affected versions

0.*
0.0.1
0.0.2
0.0.3

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/fontus/MAL-2026-18271.json"