CVE-2024-43035: Fonoster

Medium severity, CVSS 5.8. EPSS: 2.5% chance of exploitation in the next 30 days.

Fonoster 0.5.5 before 0.6.1 allows ../ directory traversal to read arbitrary files via the /sounds/:file or /tts/:file VoiceServer endpoint. This occurs in serveFiles in mods/voice/src/utils.ts. NOTE: serveFiles exists in 0.5.5 but not in the next release, 0.6.1.

Affected products

• Fonoster Fonoster: from 0.5.5, before 0.6.1 (fixed in 0.6.1)

Published 2026-03-05. Last modified 2026-06-17.