Secuno
ENNL
Book demo

CVE-2019-19006

Sangoma FreePBX Improper Authentication

9.8 CRITICALActively exploited (CISA KEV)Public exploitEPSS 55.9%
  1. Published21 Nov 2019
  2. Added to CISA KEV3 Feb 2026
  3. Remediation due24 Feb 2026
Actively exploited (CISA KEV)

Sangoma FreePBX contains an improper authentication vulnerability that potentially allows unauthorized users to bypass password authentication and access services provided by the FreePBX admin.

Added to KEV: 3 Feb 2026Federal remediation due: 24 Feb 2026

Description

Sangoma FreePBX 115.0.16.26 and below, 14.0.13.11 and below, 13.0.197.13 and below have Incorrect Access Control.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Sangoma Freepbx≥ 13.0.0.0 ≤ 13.0.197.13 · ≥ 14.0.0.0 ≤ 14.0.13.11 · ≥ 15.0.0.0 ≤ 15.0.16.26

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-843138.8
Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, POST…
CVE-2026-1093728.7
ZITADEL 4.x before 4.19.2 and 3.x through 3.4.15 contains an authentication bypass in…
CVE-2026-1093138.1
Grav Login plugin 2.7.0 before 3.9.9 contains an authentication bypass vulnerability…
CVE-2026-1093128.1
Grav Login plugin 2.7.0 before 3.9.9 contains an authentication bypass in…
CVE-2026-10890710.0
A vulnerability was determined in Netcore NR268 1.7.121109. Affected is the function…
CVE-2026-1088658.2
AmoyLab Unla through 0.10.0 contains an authentication bypass vulnerability that allows…

Frequently asked

Is CVE-2019-19006 being actively exploited?

Yes. CVE-2019-19006 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Feb 2026.

How severe is CVE-2019-19006?

CVE-2019-19006 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 55.9% probability of exploitation.

Which products are affected by CVE-2019-19006?

Affected products include Sangoma Freepbx.

How do I fix CVE-2019-19006?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2019-19006 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.