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CVE-2019-19006: Sangoma FreePBX Improper Authentication Vulnerability

criticalknown exploitedCVE-2019-19006
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Sangoma FreePBX contains an improper authentication vulnerability that potentially allows unauthorized users to bypass password authentication and access services provided by the FreePBX admin.

CSIRTS triage

vendor: Sangomaproduct: FreePBXAuthentication bypass
What
An improper authentication vulnerability could allow unauthorized users to bypass password authentication.
Who is affected
Deployments of Sangoma FreePBX.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security patch for Sangoma FreePBX.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-02-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-19006

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2019-19006coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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