CVE-2024-43035 Fonoster is vulnerable to directory traversal
Medium 5.8
Published
Updated
Check this codebase for CVE-2024-43035 and fix it if it is affected.
What it is: CVE-2024-43035 is a medium-severity vulnerability in Fonoster, published on 5 Mar 2026.
Exploitation: There is no known exploitation of CVE-2024-43035 in the wild and no public exploit code.
Affected packages and fixed versions:
- @fonoster/voice (npm): affected from 0.5.5; fixed in 0.6.1
- @fonoster/voice (npm): affected from 0.5.5; fixed in 0.6.1
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2024-43035/ (Markdown: https://insights.sbomify.com/CVE-2024-43035/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2024-43035?
CVE-2024-43035 is a medium-severity vulnerability in Fonoster, published on 5 Mar 2026.
Official 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.
Weakness: CWE-24
Which versions are affected by CVE-2024-43035?
2 open source packages ship an affected version, including @fonoster/voice.
| Package | Affected | Fixed in |
|---|---|---|
@fonoster/voice npm | From 0.5.5 | 0.6.1 |
@fonoster/voice npm | From 0.5.5 | 0.6.1 |
How do I fix CVE-2024-43035?
Upgrade @fonoster/voice to 0.6.1 or later.
Is CVE-2024-43035 being exploited?
There is no known exploitation of CVE-2024-43035 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-9fv2-c7v6-p45w.