pypi · Malicious package advisory
Malwarefontus
MAL-2026-18271
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.
Compromised versions (3)
- 0.0.1
- 0.0.2
- 0.0.3
Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.