CVE-2026-9586: Sangoma Switchvox SQL Injection Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 2 Sep 2026, 47 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 19%
EPSS score, percentile 97.3 of all scored records
- How severe?
- 9.3 Critical
CVSS v4.0 base score, given by the CNA
- What should I do?
CISA deadline 5 Sep 2026. Apply mitigations in accordance with vendor instructions … Full text
- Which versions are affected?
Affected
- from 8.3 (104997) to before 8.4.0.2
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
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 due date for this action: 5 September 2026.
Advisories and patches
Linked from CISA's catalog entry
- https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+2026
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
- 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
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | from 8.3 (104997) to before 8.4.0.2 |
Versions not listed are: unknown.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
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.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2026-9586 to its Known Exploited Vulnerabilities (KEV) catalog on 2 Sep 2026.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 5 Sep 2026.
- The CVE record was published on 17 Jul 2026, 47 days before it was added to KEV.
- The CVE record carries a CVSS v4.0 base score of 9.3 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 19% (percentile 97.3), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-89: Improper neutralization of special elements used in an SQL command ('SQL injection')
Attack patterns (CAPEC)
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 17 Jul 2026 | CVE record published |
| 2 Sep 2026 | Added to CISA KEV |
| 3 Sep 2026 | CVE record last updated |
| 5 Sep 2026 | CISA due date for the required action |
References
More exploited Sangoma vulnerabilities
- CVE-2019-19006: Sangoma FreePBX Improper Authentication Vulnerability
- CVE-2025-64328: Sangoma FreePBX OS Command Injection Vulnerability
- CVE-2025-57819: Sangoma FreePBX Authentication Bypass Vulnerability