CVE-2026-54708 FreePBX - Remote Code Execution

FreePBX < 16.0.72 and < 17.0.7 contain a command injection caused by improper path sanitization in backup restore functionality, letting authenticated attackers with write access execute arbitrary code by uploading malicious PHP files.

CVSS base score 8.6 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.45% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
28 September 2026
Updated
15 October 2026
Weakness
CWE-22

Vendor fix

Upgrade to versions 16.0.72 or 17.0.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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