Security tracker
CVE-2026-9586: Sangoma Switchvox SQL Injection Vulnerability
In short
Sangoma Switchvox has a weakness classified as SQL injection (CWE-89). CISA added it to its Known Exploited Vulnerabilities catalog on 2026-09-02. NVD lists CVSS 4.0 at 9.3 CRITICAL.
What it is
“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.” — CISA KEV, retrieved 2026-11-01
“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.” — NVD, retrieved 2026-11-01
Who is affected
Sangoma Switchvox. NVD lists the following versions as affected:
- Versions from 8.2.2.1 inclusive, before 8.4.0.2
Exploitation status
CISA KEV added: 2026-09-02. Known ransomware campaign use: Not reported by CISA. Due date CISA set for US federal civilian agencies: 2026-09-05.
Scores
NVD CVSS 4.0: 9.3 CRITICAL; vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source 57dba5dd-1a03-47f6-8b36-e84e47d335d8.
EPSS by FIRST: 18.98%; percentile 97.30; score date 2026-10-31. EPSS estimates the probability of exploitation in the next 30 days.
CWE: CWE-89.
Timeline
| Date | Event |
|---|---|
| 2026-07-17T17:17:18.150 | NVD published |
| 2026-09-02 | CISA KEV added |
| 2026-09-05 | CISA KEV due |
| 2026-10-24T20:10:00.137 | NVD last modified |
| 2026-10-31 | FIRST EPSS score |
CISA required action
“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.” — CISA KEV
What to do
- Confirm whether you run Sangoma Switchvox and which version.
- Apply the vendor update or mitigation in the vendor advisory.
- Follow CISA’s required action.
- Review the vendor guidance on signs of compromise.
- Track the fix through completion.
Sources and dates
CISA Known Exploited Vulnerabilities Catalog, version 2026.10.30; retrieved 2026-11-01. CISA KEV data: CC0 1.0. No endorsement by CISA.
NVD retrieved: 2026-11-01. This product uses the NVD API but is not endorsed or certified by the NVD.
EPSS scores by FIRST; score date 2026-10-31.
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