# CVE-2024-43035

## Summary

- **CVE ID:** CVE-2024-43035
- **Severity:** MEDIUM
- **CVSS Score:** 5.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)
- **CWE:** CWE-24
- **Published:** Mar 5, 2026
- **Last Modified:** Mar 13, 2026

## Description

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 (0.5.5)

## References

- [CNA](https://github.com/fonoster/fonoster/blob/4a1438d9dedeaf7b2a5b6a50d5e233f994e2b2cf/mods/voice/src/utils.ts#L66-L70)
- [CNA](https://zeropath.com/blog/fonoster-voiceserver-lfi-vulnerability)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 2.36%
- **EPSS Percentile:** 82.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._