How severe is CVE-2026-9586?

CVE-2026-9586 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-9586 being actively exploited?

Yes. CVE-2026-9586 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-09-02, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2026-9586?

CVE-2026-9586 affects Sangoma Switchvox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-9586?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

When was CVE-2026-9586 published?

CVE-2026-9586 was published on 2026-07-17 and last updated on 2026-09-03.

CVE-2026-9586

CVE-2026-9586 is a critical-severity vulnerability in Sangoma Switchvox with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-09-02). The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-09-02)
Weakness: CWE-89
Affected product: Sangoma Switchvox
Published: 2026-07-17
Last modified: 2026-09-03

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.

Frequently asked questions

What is CVE-2026-9586?: 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.
How severe is CVE-2026-9586?: CVE-2026-9586 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-9586 being actively exploited?: Yes. CVE-2026-9586 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-09-02, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2026-9586?: CVE-2026-9586 affects Sangoma Switchvox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-9586?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
When was CVE-2026-9586 published?: CVE-2026-9586 was published on 2026-07-17 and last updated on 2026-09-03.

References

Affected products (1)

cpe:2.3:a:sangoma:switchvox:*:*:*:*:on-premises:*:*:*

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