# CVE-2026-104806: Mitel MiVoice Office 400 System Logs Path Traversal Information Disclosure

> Attackers can exploit path traversal in the web management portal to access sensitive system files outside the intended logs directory.

- **Severity:** Medium 5.5 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/AU:Y/R:A/V:D/RE:L/U:Amber`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Oct 2026
- **Updated:** 5 Oct 2026
- **Also known as:** GHSA-484h-vp9m-pwvc

## What is CVE-2026-104806?

CVE-2026-104806 is a medium-severity path traversal vulnerability in Mitel MiVoice Office 400, published on 5 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

DigitalCanion has discovered a path traversal vulnerability that allows an attacker to access files outside of the intended directory.

The specific flaw exists within the Maintenance → System Logs functionality of the web management portal listening on TCP port 443. The application fails to properly validate user-supplied file paths, allowing an attacker to manipulate the requested path and traverse the underlying directory structure.

By exploiting this vulnerability, an attacker can access and download files located outside the intended system logs directory, including potentially sensitive system and application files.

Weakness: CWE-31 (Path Traversal: 'dir\..\..\filename')

## Which versions are affected by CVE-2026-104806?


## How do I fix CVE-2026-104806?

No fix has been published for CVE-2026-104806 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-104806 being exploited?

There is no known exploitation of CVE-2026-104806 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-104806 and fix it if it is affected.

What it is: CVE-2026-104806 is a medium-severity path traversal vulnerability in Mitel MiVoice Office 400, published on 5 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-104806 in the wild and no public exploit code.

Affected product: Mitel MiVoice Office 400. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2026-104806/ (Markdown: https://insights.sbomify.com/CVE-2026-104806/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-104806
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-104806
- OSV: https://osv.dev/vulnerability/CVE-2026-104806

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-104806/
Summaries are generated and may contain mistakes; the official description above is the record.