CVE-2026-46376— FreePBX: Unauthenticated Use of Hard-Coded Credentials Vulnerability in FreePBX UCP Interface
Affected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| FreePBX | security-reporting | >= 15.0.42, < 16.0.45 | affected |
>= 17.0.1, < 17.0.7 | affected |
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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)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| FreePBX | security-reporting | >= 15.0.42, < 16.0.45 | - |
II. Public POCs for CVE-2026-46376
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Vendor Advisories for CVE-2026-46376 (1)
Same Patch Batch · FreePBX · 2026-05-29 · 4 CVEs total
| CVE-2026-44239 | FreePBX: Authenticated Local File Inclusion in Dashboard Module | |
| CVE-2026-44238 | FreePBX: Authenticated SQL Injection via ORDER BY in CDR Reports | |
| CVE-2026-44237 | FreePBX: Authenticated Access can lead to Subsequent OAuth2 Authentication Bypass in API M |
IV. Related Vulnerabilities
Same product: security-reporting
- CVE-2026-44237
FreePBX: Authenticated Access can lead to Subsequent OAuth2 - CVE-2026-44238
FreePBX: Authenticated SQL Injection via ORDER BY in CDR Rep - CVE-2026-44239
FreePBX: Authenticated Local File Inclusion in Dashboard Mod - CVE-2026-26978
Free PBX backup: Deserialization of Untrusted Data in admin/ - CVE-2026-28287
FreePBX: Authenticated Remote Code Execution via Recordings
Same vendor: FreePBX
- CVE-2026-44237
FreePBX: Authenticated Access can lead to Subsequent OAuth2 - CVE-2026-44238
FreePBX: Authenticated SQL Injection via ORDER BY in CDR Rep - CVE-2026-44239
FreePBX: Authenticated Local File Inclusion in Dashboard Mod - CVE-2026-26978
Free PBX backup: Deserialization of Untrusted Data in admin/ - CVE-2026-40520
FreePBX api module Command Injection via GraphQL
Same weakness: CWE-798
- CVE-2026-42929
MacGregor Voyage Data Recorder (VDR) G4e Use of Hard-coded C - CVE-2026-7786
Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 t - CVE-2026-45631
Dokploy: Pre-Auth Admin Takeover via Hardcoded Authenticatio - CVE-2026-49201
Acer Wave 7 router: Hardcoded Cryptographic Key - CVE-2026-45039
RustFS: Internode RPC HMAC secret falls back to public defau
V. Comments for CVE-2026-46376
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