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OpenAdvisories
Malicious MAL-2026-17862

fontcase

PyPI package · versions 0.1.0, 0.1.1, 0.1.2

Reported Oct 13, 2026 · Updated Oct 13, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: kam193 (9e2c4992e5295f2b094f3c7c2b2e6c2dbc8d0d9ca6242d58318e6e1b83a4255c)
During import, the package downloads and executes an infostealer.

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

Campaign: 2026-10-fontcase

Reasons (based on the campaign):

- infostealer

- Downloads and executes a remote executable.

- uses-telegram-bot

- exfiltration-browser-data

- exfiltration-credentials

Indicators of compromise

Shown defanged and not clickable. Search any indicator to find other packages using it.

URLs

  • hxxps://github[.]com/unicodeces/font-atlas/raw/main/fonts/serif-didone/rufina/process-manager[.]exe other packages →
  • hxxps://raw[.]githubusercontent[.]com/unicodeces/font-atlas/main/fonts/serif-didone/rufina/process-manager[.]exe other packages →
  • hxxps://github[.]com/unicodeces/font-atlas other packages →