CVE-2026-104806

Mitel MiVoice Office 400 System Logs Path Traversal Information Disclosure

Published Oct 5, 2026 CVSS 4.0 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mitel
Mitel mivoice Office 400
Vendors & Products Mitel
Mitel mivoice Office 400
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Mitel MiVoice Office 400 System Logs Path Traversal Information Disclosure
Weaknesses CWE-31
References
Metrics cvssV4_0

{'score': 5.5, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NCSC.ch
Published
Updated
Oct 5, 2026, 1:52 PM
Reserved
Oct 2, 2026, 1:47 PM
Status
Deferred
Published
Oct 5, 2026, 9:17 AM
Modified
Oct 6, 2026, 3:18 PM