CVE-2026-104706 Mitel MiVoice Office 400 view system files path traversal

High 8.4 Published Updated

Attackers can view or download sensitive system files via the web portal, exposing confidential data on Mitel MiVoice Office 400 devices.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-104706?

CVE-2026-104706 is a high-severity path traversal vulnerability in Mitel MiVoice Office 400, published on 5 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

DigitalCanion has discovered a path traversal vulnerability that allows to view or download sensitive system files over the portal https://<ip>:8443 via menus Administration -> View Logs

Weakness: CWE-31

Which versions are affected by CVE-2026-104706?

How do I fix CVE-2026-104706?

No fix has been published for CVE-2026-104706 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-104706 being exploited?

There is no known exploitation of CVE-2026-104706 in the wild and no public exploit code.

Sources

Also known as GHSA-qmqp-5w54-pv53.

Is CVE-2026-104706 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free