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CVE-2026-46376— FreePBX: Unauthenticated Use of Hard-Coded Credentials Vulnerability in FreePBX UCP Interface

AI Predicted 7.5 Difficulty: Easy EPSS 0.08% · P25

Affected Version Matrix 2

VendorProductVersion RangeStatus
FreePBXsecurity-reporting>= 15.0.42, < 16.0.45affected
>= 17.0.1, < 17.0.7affected
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I. Basic Information for CVE-2026-46376

Vulnerability Information
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Vulnerability Title
FreePBX: Unauthenticated Use of Hard-Coded Credentials Vulnerability in FreePBX UCP Interface
Source: NVD (National Vulnerability Database)
Vulnerability Description
FreePBX is an open source IP PBX. From 15.0.42 to before 16.0.45 and 17.0.7, unauthenticated users may be able to access the User Control Panel (UCP) using hard-coded initial template credentials if these were not immediately changed by the Administrator who enabled UCP. Authenticated access to ACP is required for the initial setup of UCP generic templates, but after that, without further steps by the admin, unauthenticated users may be able to gain access. This vulnerability is fixed in 16.0.45 and 17.0.7.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用硬编码的凭证
Source: NVD (National Vulnerability Database)
Vulnerability Title
FreePBX 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreePBX是FreePBX项目的一套通过GUI（基于网页的图形化接口）配置Asterisk（IP电话系统）的工具。 FreePBX 15.0.42至16.0.45之前版本和17.0.7之前版本存在信任管理问题漏洞，该漏洞源于未经验证的用户可能使用硬编码的初始模板凭据访问用户控制面板。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
FreePBXsecurity-reporting >= 15.0.42, < 16.0.45 -

II. Public POCs for CVE-2026-46376

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III. Intelligence Information for CVE-2026-46376

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Vendor Advisories for CVE-2026-46376 (1)

Same Patch Batch · FreePBX · 2026-05-29 · 4 CVEs total

CVE-2026-44239FreePBX: Authenticated Local File Inclusion in Dashboard Module
CVE-2026-44238FreePBX: Authenticated SQL Injection via ORDER BY in CDR Reports
CVE-2026-44237FreePBX: Authenticated Access can lead to Subsequent OAuth2 Authentication Bypass in API M

IV. Related Vulnerabilities

Same product: security-reporting
Same vendor: FreePBX
Same weakness: CWE-798

V. Comments for CVE-2026-46376

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