Critical 9.3Published Dec 9, 2025

CVE-2025-66039FreePBX Endpoint Manager Allows Unauthenticated Logins to Administrator Control Panel via Forged Basic Auth Header

Updated under an hour ago (Oct 26, 2026, 5:20 PM ET)

Does this affect you?

It affects FreePBX framework and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for FreePBX framework

Exploited in the last 30 days

FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. Versions are vulnerable to authentication bypass when the authentication type is set to "webserver." When providing an Authorization header with an arbitrary value, a session is associated with the target user regardless of valid credentials. This issue is fixed in versions 16.0.44 and 17.0.23.

CVSS: 9.3 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-287
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

FreePBX framework freepbx:framework (from the name)	before 16.0.44; from 17.0.1, < 17.0.23	CNA record
sangoma freepbx sangoma:freepbx	before 16.0.44; from 17.0.1 before 17.0.23	NVD

References

References

https://github.com/FreePBX/security-reporting/security/advisories/GHSA-9jvh-mv6x-w698	x-refsource-confirm, mitigation, vendor-advisory
https://github.com/FreePBX/framework/commit/04224253156543cd9932b90458660b2f19fc0e35#diff-72f14a52840a61504a8e03cd195035b44e488aecd634b001bc6412a04bdc940bR20-R50	x-refsource-misc, product
https://www.freepbx.org/watch-what-we-do-with-security-fixes-%f0%9f%91%80	x-refsource-misc, not-applicable, vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.