CVE-2025-66039

FreePBX Endpoint Manager Allows Unauthenticated Logins to Administrator Control Panel via Forged Basic Auth Header

Published: Dec 9, 2025Updated: Feb 2, 2026 Sources: CVE List NVD BDUCWE-287

9.8CRITICAL

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-287

Affected Products

sangoma

commercial·CAaka certified asterisk, freepbx, asterisk

freepbxOn-premWeb App

Communications / messaging-chat

FreePBX

oss-projectaka security-reporting, endpoint

frameworkOn-prem

Communications / voip-telephony

Sangoma Technologies Inc.

commercial·CAaka sangoma

FreePBXMixed

Communications / voip-telephony

Exploitability

Official Patch Available

Workaround Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

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References

https://github.com/FreePBX/framework/commit/04224253156543cd9932b90458660b2f19fc0e35#diff-72f14a52840a61504a8e03cd195035b44e488aecd634b001bc6412a04bdc940bR20-R50

github.com

https://github.com/FreePBX/security-reporting/security/advisories/GHSA-9jvh-mv6x-w698

github.com

https://www.freepbx.org/watch-what-we-do-with-security-fixes-%f0%9f%91%80

freepbx.org

and 2 more references View all →

News mentions

FreePBX RCE Vulnerabilities Threaten Telecom Servers
en-us·Daily CyberSecurity (securityonline.info)·Jun 15, 2026 Patch FreePBX Superfecta module rce

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