Unauthenticated SQLi in Sangoma Switchvox SMB 8.3 /pa endpoint
CVE-2026-9586 Published on July 17, 2026
Unauthenticated SQL Injection Leading to Remote Code Execution in Switchvox SMB
An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997). The /pa endpoint processes XML content beginning with <PolycomIPPhone> and directly concatenates the user-controlled PhoneIP value into PostgreSQL queries without sanitization or parameterization. An unauthenticated remote attacker can execute arbitrary SQL statements against the backend PostgreSQL database using a single crafted request, including database operations and remote code execution.
Known Exploited Vulnerability
This Sangoma Switchvox SQL Injection Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Sangoma Switchvox contains a SQL injection vulnerability which allows an unauthenticated remote attacker to execute arbitrary SQL statements against the backend PostgreSQL database using a single crafted request, including database operations and remote code execution.
The following remediation steps are recommended / required by September 5, 2026: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicab
Vulnerability Analysis
CVE-2026-9586 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a SQL Injection Vulnerability?
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.
CVE-2026-9586 has been classified to as a SQL Injection vulnerability or weakness.
Products Associated with CVE-2026-9586
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Affected Versions
Sangoma Switchvox SMB Edition:- Version 8.3 (104997) and below 8.4.0.2 is affected.