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Medium 5.5Published Oct 5, 2026

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

Updated under an hour ago ()

Does this affect you?

It affects Mitel MiVoice Office 400. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
5.5 MEDIUM (v4.0, CNA)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
Weakness (CWE)
CWE-31
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
NCSC.ch
NVD analysis
Deferred
Record last updated
Oct 5, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Mitel Mitel MiVoice Office 400
mitel:mivoice_office_400 (from the name)
11.0.96.0
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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