Sangoma · Switchvox
CVE-2026-9586
Unauthenticated SQL Injection Leading to Remote Code Execution in Switchvox SMB
What it is
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.
CISA: 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.
What to do
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 applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Deadline for US federal agencies: September 5, 2026
More exploited flaws from Sangoma
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Feb 3, 2026 | Sangoma FreePBX Improper Authentication | FreePBX | Critical 9.8 | 56% |
| Feb 3, 2026 | FreePBX OS Command Injection | FreePBX | High 8.6 | 85% |
| Aug 29, 2025 | Authentication Bypass | FreePBX | Critical 10.0 | 95% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.