Read the docs
TI-2024-28730 Aliases CVE-2024-43035GHSA-9fv2-c7v6-p45w

Path traversal in Fonoster

Priority LOW 37CWE-24Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02398 84th percentileScored 2026-11-07
Fix Fixed Fonoster (Fonoster): 0.6.1@fonoster/voice (npm): 0.6.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FonosterFonoster0.5.5 to before 0.6.10.6.1Patch availableCNA
—@fonoster/voice (npm)0.5.5 to before 0.6.10.6.1Patch availableGHSA-9fv2-c7v6-p45w
  • Fonoster VendorFonoster Affected 0.5.5 to before 0.6.1 Fixed in 0.6.1 Patch available CNA
  • @fonoster/voice (npm) Vendor— Affected 0.5.5 to before 0.6.1 Fixed in 0.6.1 Patch available GHSA-9fv2-c7v6-p45w

Remediation

  • Fix · CNA Fonoster (Fonoster) Fixed in 0.6.1
  • Fix · GHSA-9fv2-c7v6-p45w @fonoster/voice (npm) Fixed in 0.6.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-43035
  2. 2026-10-03 Alias added: GHSA-9fv2-c7v6-p45w

References

  • TI-2026-55450 Fonoster through 0.22.7 Incorrect Authorization in the Identity UpdateWorkspace Handler CVSS 4.0MEDIUM 5.3

Sources