Unauthenticated SQL Injection Leading to Remote Code Execution in Switchvox SMB (CVE-2026-9586) | HOL Guard CVE

Critical · CVSS 9.3Known ExploitedCVE-2026-9586

Unauthenticated SQL Injection Leading to Remote Code Execution in Switchvox SMB

Answer in brief

CVE-2026-9586 records a Critical severity (CVSS 9.3) vulnerability in Unauthenticated SQL Injection Leading to Remote Code Execution in Switchvox SMB. The current sources mark it as known exploited. The current feed maps Sangoma/Switchvox SMB Edition (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 17, 2026Updated Sep 5, 2026Source checked Sep 28, 2026First seen by HOL Jul 17, 2026Material review Sep 5, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.3
Exploitation: Known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 9.3. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Sangoma/Switchvox SMB Edition (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
Product	Affected versions	Fixed versions
cpe:2.3:a:sangoma:switchvox:::::on-premises:::*	Not reported	Not reported

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Sangoma/Switchvox SMB Editiongeneric	>=8.3 (104997) <8.4.0.2	8.4.0.2

Recommended response

Check inventory. Check lockfiles and deployed manifests for Sangoma/Switchvox SMB Edition.
Review the reported fix. Update Sangoma/Switchvox SMB Edition to 8.4.0.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Jul 17, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 5, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Jul 17, 2026
Added to CISA KEV
Sep 2, 2026
Evidence: source:kev:kev:kev:record

Sources and claim methodology

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.