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.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
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
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.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-104806 being exploited?
There is no known exploitation of CVE-2026-104806 in the wild and no public exploit code.
Sources
Also known as GHSA-484h-vp9m-pwvc.