CVE-2026-9586Unauthenticated 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.

9.3 CRITICALEPSS 18.97%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-10-24 20:10 UTC

OverviewCVSS details

9.3CRITICALCVSS 4.0

Score source: SRA (CNA)
NVD status: Analyzed
Published: Jul 17, 2026
Assigner: SRA

Affected

Switchvox SMB Edition (Sangoma)

Versions: 8.3 (104997) before 8.4.0.2
Fixed in: 8.4.0.2

Exploitation

Public exploit: Yes · 1 reference
CISA KEV: Listed · Sep 2, 2026
KEV due date: Sep 5, 2026
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 7

18.97%chance of exploitation in 30 days

Higher than 97.31% of CVEs

CVSS 4.0 · SRA (CNA)

9.3Critical

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

Attack vector: Network
Attack complexity: Low
Attack requirements: None
Privileges required: None
User interaction: None
Confidentiality impact: High
Integrity impact: High
Availability impact: High
Confidentiality (other systems): None
Integrity (other systems): None
Availability (other systems): None

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.3	CRITICAL	4.0SRA (CNA)	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
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA required action

⚡ Known exploited · remediation due Sep 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 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.

Details

CVE ID: CVE-2026-9586
Status: Analyzed
Assigner (CNA): SRA
Published: Jul 17, 2026
Last modified: 2026-10-24 20:10 UTC
Weaknesses: CWE-89 · Improper neutralization of special elements used in an SQL command ('SQL injection')

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:03 UTC.