CVE entry · CVE-2019-19006
CVE-2019-19006: Sangoma FreePBX Improper Authentication Vulnerability
Sangoma FreePBX contains an improper authentication vulnerability that potentially allows unauthorized users to bypass password authentication and access services provided by the FreePBX admin.
- Actively exploited: added to CISA’s KEV catalog on February 3, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: February 24, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes Sangoma FreePBX, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
- Vendor advisory or reference cited by CISA (wiki.freepbx.org)
- NVD entry (NIST)
- CISA KEV catalog