CVE-2026-112195
Received Received - Intake

Command Injection in FusionPBX Dialplan Editor

Publication date: 2026-10-19

Last updated on: 2026-10-19

Assigner: VulDB

Description
A flaw has been found in FusionPBX up to 5.4.4/5.5.7/5.6.5. The affected element is an unknown function of the file app/dialplans/resources/classes/dialplan.php of the component Dialplan Editor. Executing a manipulation can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-10-19
Last Modified
2026-10-19
Generated
2026-10-19
AI Q&A
2026-10-19
EPSS Evaluated
N/A
NVD
CVE-2026-112195
EUVD
EUVD-2026-104483

Affected Vendors & Products

Showing 19 associated CPEs
Vendor Product Version / Range
n/a FusionPBX 5.4.0
n/a FusionPBX 5.4.1
n/a FusionPBX 5.4.2
n/a FusionPBX 5.4.3
n/a FusionPBX 5.4.4
n/a FusionPBX 5.5.0
n/a FusionPBX 5.5.1
n/a FusionPBX 5.5.2
n/a FusionPBX 5.5.3
n/a FusionPBX 5.5.4
n/a FusionPBX 5.5.5
n/a FusionPBX 5.5.6
n/a FusionPBX 5.5.7
n/a FusionPBX 5.6.0
n/a FusionPBX 5.6.1
n/a FusionPBX 5.6.2
n/a FusionPBX 5.6.3
n/a FusionPBX 5.6.4
n/a FusionPBX 5.6.5

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

CVE-2026-112195 is a Remote Code Execution (RCE) vulnerability in FusionPBX versions up to 5.4.4/5.5.7/5.6.5. It allows attackers to inject and execute arbitrary commands on the target system through the dialplan editing functionality. The flaw stems from improper input validation in the dialplan configuration file app/dialplans/resources/classes/dialplan.php.

Detection Guidance

Check FusionPBX logs for suspicious dialplan modifications or unauthorized command executions. Inspect network traffic for outbound connections to unknown hosts, especially reverse shells. Review system processes for unexpected child processes spawned by the web server user.

Impact Analysis

This vulnerability can lead to full system compromise, unauthorized access to sensitive data, or lateral movement within a network. Attackers can gain remote access to the server with the privileges of the web server user by exploiting a reverse shell triggered through a malicious dialplan entry.

Mitigation Strategies

Immediately update FusionPBX to the latest patched version. Disable the dialplan editor interface if not required. Restrict access to the FusionPBX admin interface via network segmentation or firewall rules. Monitor for signs of exploitation such as unexpected outbound connections or unauthorized user activity.

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