Exploited vulnerabilities / CVE-2019-19006
Confirmed exploited · authentication bypass · Sangoma FreePBXCVE-2019-19006
Sangoma FreePBX authentication bypass, confirmed exploited in the wild.
Sangoma FreePBX contains an improper authentication vulnerability that potentially allows unauthorized users to bypass password authentication and access services provided by the FreePBX admin.
| CISA's name for it | Sangoma FreePBX Improper Authentication Vulnerability |
|---|---|
| Vendor and product | Sangoma · FreePBX |
| Type | authentication bypass · CWE-287 |
| Exploited | Confirmed by CISA listed 3 February 2026 |
| Likelihood | one of the most likely to be exploited of every vulnerability tracked |
| Deadline | 24 February 2026 · already passed |
| Used in ransomware | Not reported |
| Advisories | wiki.freepbx.org ↗ · nvd.nist.gov ↗ |
Three steps, in this order
Apply the vendor fix and restart the affected service.
Put the login or management interface behind a VPN or allow-list; a bypass makes passwords irrelevant.
Rotate credentials and session keys the product holds, and review accounts and configuration changes since the listing date.
| CISA's required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
|---|
Know before someone else finds it
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CVE-2019-19006 in short
Is CVE-2019-19006 being exploited?
Yes. CISA added CVE-2019-19006 to its Known Exploited Vulnerabilities catalogue on 3 February 2026, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2019-19006?
US federal agencies must remediate it by 24 February 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2019-19006 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 55%, the 99th percentile of every CVE it scores.
How do I fix CVE-2019-19006?
Apply the vendor fix and restart the affected service. Put the login or management interface behind a VPN or allow-list; a bypass makes passwords irrelevant. Rotate credentials and session keys the product holds, and review accounts and configuration changes since the listing date.
Other Sangoma vulnerabilities being exploited
| CVE | Product | Type | Listed |
|---|---|---|---|
| CVE-2026-9586 | Switchvox | remote code execution | 2 September 2026 |
| CVE-2025-64328 | FreePBX | command injection | 3 February 2026 |
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.