CVE-2026-9586 (GCVE-0-2026-9586)

Vulnerability from cvelistv5 – Published: 2026-07-17 15:57 – Updated: 2026-09-03 03:55
VLAI CISA Shadowserver Previdian
Title
Unauthenticated SQL Injection Leading to Remote Code Execution in Switchvox SMB
Summary
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.
Severity
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
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 00:00 UTC
CWE
  • CWE-89 - Improper neutralization of special elements used in an SQL command ('SQL injection')
Assigner
SRA CNA under the icscert root
CNA scorecard – unranked: 7 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version CPE status
Sangoma Switchvox SMB Edition Affected: 8.3 (104997) , < 8.4.0.2 (semver)
guessed Create a notification for this product.
Credits
Cam Lischke (SRA)
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b4b52e5f-1b26-464a-ae40-bf8709145368

Vulnerability ID: CVE-2026-9586

Status: Confirmed

Status Updated: 2026-09-02 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-09-02
Asserted: 2026-09-02
Scope
Notes: Sangoma Switchvox SQL Injection Vulnerability | Affected: Sangoma / Switchvox | Description: Sangoma Switchvox contains a SQL injection vulnerability which allows an unauthenticated remote attacker to execute arbitrary SQL statements against the backend PostgreSQL database using a single crafted request, including database operations and remote code execution. | 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. | Due date: 2026-09-05 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+2026 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-9586
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-89
Feed CISA Known Exploited Vulnerabilities Catalog
Product Switchvox
Due Date 2026-09-05
Date Added 2026-09-02
Vendorproject Sangoma
Vulnerabilityname Sangoma Switchvox SQL Injection Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-09-02 18:00 UTC | Updated: 2026-09-02 18:00 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 3728a227-1873-4466-9e2b-f17600951034

Vulnerability ID: CVE-2026-9586

Status: Confirmed

Status Updated: 2026-10-25 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2026-09-04
Asserted: 2026-09-04
Last Seen: 2026-10-25
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Sangoma / Sangoma Switchvox | Class: voip | Severity: Critical (CVSS 9.8) | IoT: yes | In CISA KEV: yes | Honeypot connections on 2026-10-25: 9
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot yes
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class voip
7D Avg 0
Vendor Sangoma
30D Avg 1
90D Avg 0
Product Sangoma Switchvox
Cisa Kev yes
Connections 9
Observation Date 2026-10-25
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-09-06 01:01 UTC | Updated: 2026-10-27 01:02 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 6d9fe916-40f9-4dd2-8f76-1ca18edec11b

Vulnerability ID: CVE-2026-9586

Status: Confirmed

Status Updated: 2026-09-01 10:01 UTC

Exploited: Yes

Timestamps
First Seen: 2026-09-01
Asserted: 2026-09-01
Scope
Notes: Unauthenticated SQL Injection Leading to Remote Code Execution in Switchvox SMB | Affected: Sangoma / Switchvox SMB Edition | CVSS: 9.3 (CRITICAL) | EPSS: 0.00434 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title Unauthenticated SQL Injection Leading to Remote Code Execution in Switchvox SMB
Vendor Sangoma
Product Switchvox SMB Edition
Added Date 2026-09-01T10:01:00.000Z
Cvss Score 9.3
Epss Score 0.00434
Cvss Severity CRITICAL
Epss Percentile 0.36259
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-09-02 11:00 UTC | Updated: 2026-09-02 11:00 UTC
Show details on NVD website
To clipboard 

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                "url": "https://horizon3.ai/attack-research/disclosures/cve-2026-9586-sangoma-switchvox-rce/#"
              },
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-9586"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2026-09-02T00:00:00.000Z",
                "value": "CVE-2026-9586 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unknown",
              "product": "Switchvox SMB Edition",
              "vendor": "Sangoma",
              "versions": [
                {
                  "lessThan": "8.4.0.2",
                  "status": "affected",
                  "version": "8.3 (104997)",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Cam Lischke (SRA)"
            }
          ],
          "descriptions": [
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              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cdiv\u003e\u003cdiv\u003eAn unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997).\u0026nbsp;The /pa endpoint processes XML\u0026nbsp;content beginning with \u0026lt;PolycomIPPhone\u0026gt; and\u0026nbsp;directly concatenates the user-controlled PhoneIP value into PostgreSQL queries without sanitization or parameterization.\u0026nbsp;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.\u003c/div\u003e\u003c/div\u003e"
                }
              ],
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            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-108",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-108 Command Line Execution through SQL Injection"
                }
              ]
            },
            {
              "capecId": "CAPEC-7",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-7 Blind SQL Injection"
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "baseScore": 9.3,
                "baseSeverity": "CRITICAL",
                "exploitMaturity": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "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",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "HIGH",
                "vulnIntegrityImpact": "HIGH",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-89",
                  "description": "CWE-89 Improper neutralization of special elements used in an SQL command (\u0027SQL injection\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-07-17T15:57:42.879Z",
            "orgId": "57dba5dd-1a03-47f6-8b36-e84e47d335d8",
            "shortName": "SRA"
          },
          "references": [
            {
              "tags": [
                "release-notes"
              ],
              "url": "https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+2026"
            },
            {
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://labs.sra.io/posts/switchvox/"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Unauthenticated SQL Injection Leading to Remote Code Execution in Switchvox SMB",
          "x_generator": {
            "engine": "Vulnogram 1.0.2"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "57dba5dd-1a03-47f6-8b36-e84e47d335d8",
        "assignerShortName": "SRA",
        "cveId": "CVE-2026-9586",
        "datePublished": "2026-07-17T15:57:42.879Z",
        "dateReserved": "2026-05-26T13:03:30.901Z",
        "dateUpdated": "2026-09-03T03:55:29.128Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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