CVE-2026-9586
Published 2026-07-17 · Updated 2026-09-03 · Source 57dba5dd-1a03-47f6-8b36-e84e47d335d8
Summary
CVE-2026-9586 is a critical-severity (CVSS 9.8) vulnerability in Sangoma Switchvox. CISA added it to the Known Exploited Vulnerabilities catalog on September 2, 2026, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by September 5, 2026. CISA does not currently list it as used in ransomware campaigns. Sangoma has 4 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.
All 4 known-exploited Sangoma vulnerabilities →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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Sangoma — Switchvox
Name: Sangoma Switchvox SQL Injection Vulnerability
Date added: 2026-09-02 · Due: 2026-09-05
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.
References
- https://labs.sra.io/posts/switchvox/
- https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+2026
- https://horizon3.ai/attack-research/disclosures/cve-2026-9586-sangoma-switchvox-rce/#
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-9586

