Command Injection Vulnerabilities in FreePBX IP PBX System
CVE-2026-28287

8.6HIGH

Key Information:

Vendor

Freepbx

Status
Security-reporting
Vendor
CVE Published:
5 March 2026

What is CVE-2026-28287?

FreePBX, an open source IP PBX solution, has been found to have multiple command injection vulnerabilities within its recordings module. These vulnerabilities impact versions 16.0.17.2 up to, but not including, 16.0.20 and versions 17.0.2.4 up to, but not including, 17.0.5. Users of affected versions are at risk of unauthorized command execution, potentially allowing attackers to manipulate the system. It is crucial for users to update to versions 16.0.20 and 17.0.5, where these issues have been addressed. For detailed information, please refer to the advisory linked here: FreePBX Security Advisory.

Affected Version(s)

security-reporting >= 16.0.17.2, < 16.0.20 < 16.0.17.2, 16.0.20

security-reporting >= 17.0.2.4, < 17.0.5 < 17.0.2.4, 17.0.5

References

https://github.com/FreePBX/security-reporting/security/ad...
x_refsource_CONFIRM

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.