CVE-2026-44239: FreePBX: Authenticated Local File Inclusion in Dashboard Module
FreePBX is an open source IP PBX. Prior to 16.0.22 and 17.0.5, the Dashboard module's getcontent AJAX handler includes PHP files based on user-supplied input without path sanitization. The $_REQUEST['rawname'] parameter is concatenated into an include() call with a .class.php suffix, allowing path traversal via ../ sequences to include arbitrary .class.php files from the filesystem. The included file's PHP code executes before the subsequent class instantiation error occurs. This vulnerability is fixed in 16.0.22 and 17.0.5.
Security readout for executives and security teams
Plain-English summary
FreePBX has a high-severity authenticated file inclusion flaw in its Dashboard module. A logged-in user could influence which PHP class file is included, causing PHP code in that file to run. This can threaten confidentiality and integrity, especially on systems with many administrative users or exposed management interfaces.
Executive priority
Prioritize remediation for internet-reachable or broadly administered FreePBX systems. The flaw needs authentication, but successful abuse can execute PHP from included class files and affect sensitive PBX management infrastructure. Patch promptly and tighten administrative exposure.
Technical view
The getcontent AJAX handler concatenates $_REQUEST['rawname'] into an include() path with a .class.php suffix and lacks path sanitization. Traversal sequences can include arbitrary .class.php files from the filesystem. The included PHP executes before the later class-instantiation failure. Fixed versions are 16.0.22 and 17.0.5.
Likely exposure
FreePBX systems running affected security-reporting/Dashboard module versions: below 16.0.22, or 17.0.1 through below 17.0.5. Exposure requires an authenticated user able to reach the vulnerable Dashboard AJAX handler.
Exploitation context
The source bundle does not show KEV listing or active exploitation evidence. Exploitation is authenticated, network-accessible, low complexity, and requires a precondition according to CVSS. Treat shared administrator accounts, weak account governance, or exposed management portals as risk amplifiers.
Researcher notes
Evidence is limited to the CVE record and GitHub advisory reference in the bundle. No CPEs are listed. The flaw is CWE-98 with CVSS 4.0 score 7.6. Do not assume arbitrary extension inclusion; the described include path appends .class.php.
Mitigation direction
Upgrade affected FreePBX installations to 16.0.22 or 17.0.5.
Review the FreePBX advisory for any additional vendor instructions.
Restrict FreePBX administrative access to trusted networks or VPN users.
Audit and remove unnecessary FreePBX accounts with Dashboard access.
Monitor vendor channels for follow-up fixes or guidance.
Validation and detection
Inventory FreePBX security-reporting/Dashboard module versions across all PBX systems.
Confirm patched systems report version 16.0.22, 17.0.5, or later.
Identify whether FreePBX admin interfaces are internet reachable.
Review recent authenticated access and administrative activity for anomalies.
Confirm no vulnerable versions remain in production, staging, or backups.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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cwe · low confidence lookup
CWE-98: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
1CVSS vectors
3Timeline events
1ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-98 · source CWE mapping
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.