# CVE-2026-104810: Mitel MiVoice Office 400 path traversal in file browser

Source: https://junglewise.ai/threats/cve-2026-104810-this-vulnerability-allows-remote-attackers-to-delete-sensitive  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-05. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-104810 · Severity: info · Published 2026-10-05

Mitel MiVoice Office 400 is a unified communications system that manages voice and messaging for organizations. An authenticated attacker can exploit a path traversal flaw in the file browser feature to delete critical system or application files, resulting in service disruption or denial of service.

Technologies: [Mitel MiVoice Office 400](https://junglewise.ai/threats/technologies/mivoice-office-400). Vendors: [Mitel](https://junglewise.ai/threats/vendors/mitel).

## Quick answers

**Is CVE-2026-104810 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-104810 being exploited in the wild.

**How severe is CVE-2026-104810?** Informational severity, published 5 October 2026.

**Which products and versions are affected?** Mitel MiVoice Office 400 11.0.96.0.

**Is there a fix for CVE-2026-104810?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-104810 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-104810?** Check whether you run Mitel MiVoice Office 400 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A directory traversal vulnerability exists in the web portal's File Management → File Browser feature (TCP port 443), affecting Mitel MiVoice Office 400 version 11.0.96.0. An authenticated attacker can access and delete files outside the intended directory, including system and application files, leading to denial-of-service conditions. The vulnerability requires authentication to exploit.

## Affected products

- Mitel MiVoice Office 400 11.0.96.0

## Timeline

- 2026-10-05: disclosed

## References

- [https://digitalcanion.com/en/security-research/](https://digitalcanion.com/en/security-research/)

## Related threats

- [Mitel MiVoice Office 400 code execution via WAV file upload](https://junglewise.ai/threats/cve-2026-104811-digitalcanion-sa-has-discovered-a-vulnerability-that-allows)
- [Mitel MiVoice Office 400 shared object hijacking arbitrary code execution](https://junglewise.ai/threats/cve-2026-104809-digitalcanion-has-discovered-a-vulnerability-that-allows-an)
- [Mitel MiVoice Office 400 stored XSS in Exchange mailbox field](https://junglewise.ai/threats/cve-2026-104808-digitalcanion-has-discovered-a-stored-cross-site-scripting-xss)
- [Mitel MiVoice Office 400 stored XSS in Domains description](https://junglewise.ai/threats/cve-2026-104807-digitalcanion-has-discovered-a-stored-cross-site-scripting-xss)
- [Mitel MiVoice Office 400 path traversal in System Logs](https://junglewise.ai/threats/cve-2026-104806-digitalcanion-has-discovered-a-path-traversal-vulnerability-that)