CVE-2026-9586

Unauthenticated 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.

Affected

Sangoma · Switchvox SMB Edition

CVSS v4.0 CNA

9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

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

EPSS

18.98% chance of exploitation in the next 30 days, 97th percentile

CISA KEV

added 2026-09-02

Nuclei

critical · CWE-89

Published

2026-07-17

Updated

2026-09-03

Proof-of-concept exploits (1)

• fromABUV/CVE-2026-9586_POC_EXPLOIT1★ · 2026-10-12

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-9586.yaml

Security advisories

• https://horizon3.ai/attack-research/disclosures/cve-2026-9586-sangoma-switchvox-rce/#
• https://labs.sra.io/posts/switchvox
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-9586
• https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Releas…

References

• CVE Record
• NVD entry