CVE-2026-45562 FreePBX - Command Injection

FreePBX Music on Hold module < 16.0.4 and < 17.0.6 contains a command injection caused by unsanitized POST parameter stored and executed via musiconhold_additional.conf, letting authenticated administrators execute arbitrary system commands with Asterisk privileges.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.30% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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-78

Vendor fix

Upgrade to versions 16.0.4 or 17.0.6 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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