CVE-2026-28287

HIGH
2026-03-05 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
CVE Published
Mar 05, 2026 - 19:16 nvd
HIGH 8.8

Tags

Command Injection Freepbx

Description

FreePBX is an open source IP PBX. From versions 16.0.17.2 to before 16.0.20 and from version 17.0.2.4 to before 17.0.5, multiple command injection vulnerabilities exist in the recordings module. This issue has been patched in versions 16.0.20 and 17.0.5.

Analysis

Unauthenticated command injection in FreePBX recordings module (versions 16.0.17.2-16.0.19 and 17.0.2.4-17.0.4) allows authenticated attackers to execute arbitrary system commands with full system privileges. The vulnerability stems from improper input validation in the recordings functionality, enabling complete compromise of affected FreePBX installations. …

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Remediation

Within 24 hours: Inventory all FreePBX instances and identify those running vulnerable versions; restrict network access to FreePBX administrative interfaces and disable remote access if possible. Within 7 days: Disable the recordings module if operationally feasible; implement network segmentation to isolate FreePBX systems; apply WAF rules to block malicious payloads targeting the recordings endpoint. …

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: 0

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CVE-2026-28287 vulnerability details – vuln.today
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