---
title: "CVE-2026-9586: Sangoma Switchvox SQL Injection Vulnerability"
url: https://erroneo.us/security/cve/CVE-2026-9586/
description: "CVE-2026-9586 (Sangoma Switchvox): Exploited in the wild (CISA KEV). An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition…"
type: vulnerability-record
section: "Security Digest"
date_published: 2026-07-17
date_modified: 2026-10-21
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2026-9586"
kev: true
cvss: 9.3
epss: 0.18979
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2026-9586: Sangoma Switchvox SQL Injection Vulnerability

**Signal:** Exploited: patch now if you run it. CISA has confirmed exploitation in the wild. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Yes, if you run Sangoma Switchvox. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2026-09-02, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2026-09-05 ; treat that as the outer limit, not the target.
- EPSS 19.0% , percentile 97: FIRST’s model estimates a 19.0% chance of exploitation activity in the next 30 days, higher than 97% of all scored CVEs (very high). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.
- Editorial verdict: Act now. Sangoma Switchvox CVE-2026-9586: Pre-Auth SQLi to RCE — A single unauthenticated request turns an unpatched Switchvox PBX into a shell; if yours is below 8.4.0.2 and reachable from the internet, upgrade today and check it for compromise.

## 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 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.

## Affected products (CVE record)

- Sangoma Switchvox SMB Edition: 8.3 (104997) < 8.4.0.2

## Severity

- SRA CVSS 4.0: 9.3 `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`

## Exploitation

- CISA KEV: added 2026-09-02; federal due date 2026-09-05. Known ransomware use: Unknown.
- 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 SSVC assessment: exploitation active , automatable yes , technical impact total .
- FIRST EPSS (model of 2026-10-21): 18.98% probability of exploitation activity in the next 30 days; percentile 97.

## Sources

- [sangomakb.atlassian.net](https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+2026)
- [CVE.org record CVE-2026-9586](https://www.cve.org/CVERecord?id=CVE-2026-9586)
- [NVD entry CVE-2026-9586](https://nvd.nist.gov/vuln/detail/CVE-2026-9586)
- [CISA Known Exploited Vulnerabilities catalog entry](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-9586)
- [Listed in CISA KEV notes (cisa.gov)](https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk)
- [Listed in CISA KEV notes (cisa.gov)](https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk)
- [labs.sra.io](https://labs.sra.io/posts/switchvox/)
- [horizon3.ai](https://horizon3.ai/attack-research/disclosures/cve-2026-9586-sangoma-switchvox-rce/#)

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Source page: https://erroneo.us/security/cve/CVE-2026-9586/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt