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Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2026-9586

Switchvox SMB Edition SQL Injection

Sangoma / Switchvox SMB Edition · affected before 8.4.0.2

View live feed Monitor via API Watch CVE-2026-9586
Severity
CVSS 9.3 · Critical
Confidence
High
Exploit status
Exploited in the wild
EPSS
0.4%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-9586 is an unauthenticated vulnerability affecting Sangoma Switchvox SMB Edition. An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997). The /pa endpoint...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is high. Also confirmed by third-party sources.

Who is affected?

Sangoma / Switchvox SMB Edition affected before 8.4.0.2.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Switchvox SMB Edition SQL Injection

An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997). The /pa endpoint processes XML content beginning with 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.

Vendor Product Affected Status
Sangoma Switchvox SMB Edition Before 8.4.0.2 Affected
View vendor advisory (opens in new tab)
Published
17 Jul 2026
Exploitation Reported
01 Sep 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

postgresql

CVE References

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

Defused Cyber

Recorded 01 Sep 2026

Independent exploitation attestation added to the Previdian record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

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Source Added
Defused Cyber First 2026-09-01 14:10 UTC
Horizon3.ai Attack Research 2026-09-01 10:01 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v4.0

9.3 Critical
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

EPSS

0.4%

Weaknesses

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE-89

Recent mention · Horizon3.ai Attack Research

Off the Hook: Discovering and Observing Active Exploitation of Sangoma Switchvox CVE-2026-9586

Horizon3 researchers discovered CVE-2026-9586, an unauthenticated SQL injection vulnerability in Sangoma Switchvox that leads to remote code execution and is now being actively exploited.

Read full advisory

Timeline

From disclosure to observed exploitation

  1. Added to Previdian KEV Feed

    High-confidence, third-party attested exploitation

  2. KEV confirmed by Horizon3.ai Attack Research

    Exploitation attested by an external source

  3. CVE published

    Vulnerability disclosed publicly

  4. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-9586

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2026-9586",
  "confidence": "High",
  "cvss_score": 9.3,
  "cvss_estimated": false,
  "epss_score": 0.00434,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}