Sangoma FreePBX Authentication Bypass Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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.
CISA notes
https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h ; https://nvd.nist.gov/vuln/detail/CVE-2025-57819
Description
FreePBX is an open-source web-based graphical user interface. FreePBX 15, 16, and 17 endpoints are vulnerable due to insufficiently sanitized user-supplied data allowing unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution. This issue has been patched in endpoint versions 15.0.66, 16.0.89, and 17.0.3.
Severity
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:HExploitation Context
as of October 13, 2026- CISA added CVE-2025-57819 to the KEV catalog 1 day after its CVE record was published. The median for entries added in 2025 is 26 days.
- It is one of 4 Sangoma entries in the CISA KEV catalog, and the only one added in 2025.
- Its current EPSS score (86.3%) is higher than that of 69% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| FreePBX | FreePBX endpoint | < 15.0.66 < 16.0.89 < 17.0.3 |
References
2 LinksRecord Details
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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.