Unauthenticated Reflected XSS Vulnerability in Sangoma Switchvox SMB Edition
CVE-2026-9585

8.6HIGH

Key Information:

Vendor

Sangoma

Status
Switchvox Smb Edition
Vendor
CVE Published:
17 July 2026

What is CVE-2026-9585?

A reflected cross-site scripting (XSS) vulnerability has been identified in Sangoma Switchvox SMB Edition version 8.3, where user input is not adequately sanitized. This flaw occurs in the handling of the portal parameter by the invalid_browser and invalid_browser_login functions. By exploiting this weakness, an attacker can inject malicious scripts into the application, which could be executed in the user's browser, leading to potential unauthorized access or data theft.

Affected Version(s)

Switchvox SMB Edition 8.3 (104997) < 8.4.0.2

References

https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pag...
release-notes
https://labs.sra.io/posts/switchvox/
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Cam Lischke (SRA)
.