Which products and versions are affected by CVE-2026-9586?

Affected: Switchvox (Sangoma); Switchvox SMB Edition versions >= 8.3 (104997). The full list is in the CVE brief.

Is CVE-2026-9586 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 1, 2026.

Is CVE-2026-9586 in the CISA KEV catalog?

Yes. It was added on Sep 2, 2026 with a federal remediation due date of Sep 5, 2026.

Is there a public exploit for CVE-2026-9586?

Public exploit code is available.

Is there a fix for CVE-2026-9586?

Fixed versions are available, including Switchvox 8.4.0.2, Switchvox SMB Edition 8.4.0.2.

How urgently should CVE-2026-9586 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2026-9586

CriticalExploitedPublic exploit

An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997).

Published Jul 17, 2026 · Updated Sep 3, 2026

Key Facts

Patch immediately

CVE-2026-9586 is a critical-severity vulnerability (CVSS 9.3 v4) affecting Switchvox (Sangoma), Switchvox SMB Edition.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 1, 2026. Public exploit code is available.
EPSS estimates a 19% probability of exploitation in the next 30 days.
Fixed versions are available, including Switchvox 8.4.0.2, Switchvox SMB Edition 8.4.0.2.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v4

9.3

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

EPSS (30-day exploit likelihood)

19%

Higher than 97.2% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2026-9586 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997). The /pa endpoint processes XML content beginning with 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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Sep 2, 2026	Sep 5, 2026	Not reported
Industry KEV feed	Sep 1, 2026	Sep 5, 2026	Not reported
CIRCL KEV	Sep 1, 2026	Sep 5, 2026	Not reported
ENISA EUVD	Sep 2, 2026	n/a	Not reported

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.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
SwitchvoxSangoma	See advisory	8.4.0.2
Switchvox SMB Edition	>= 8.3 (104997)	8.4.0.2

Patched Releases

Switchvox

8.4.0.2

Switchvox SMB Edition

8.4.0.2

Timeline

Publicly disclosed
Jul 17, 2026
Added to Industry KEV feed
Sep 1, 2026
Added to CIRCL KEV
Sep 1, 2026
Added to CISA KEV
Sep 2, 2026
Added to ENISA EUVD
Sep 2, 2026
Last updated
Sep 3, 2026

Weakness Type

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References

9 more references in the full CVE brief

FAQ

Common Questions.

An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997).
Affected: Switchvox (Sangoma); Switchvox SMB Edition versions >= 8.3 (104997). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 1, 2026.
Yes. It was added on Sep 2, 2026 with a federal remediation due date of Sep 5, 2026.
Public exploit code is available.
Fixed versions are available, including Switchvox 8.4.0.2, Switchvox SMB Edition 8.4.0.2.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2026-9586 Running On Your Attack Surface?

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