CVE-2026-108161

High

Description

FusionPBX through 5.6.5 contains an OS command injection vulnerability in call_recordings::download() that allows unauthenticated attackers to execute commands by placing calls with malicious caller ID values. When the record_name filename template is enabled, attackers can embed shell metacharacters like $(...) in the Caller-ID name or number, executing commands as the web server user once a privileged user downloads multiple recordings as a ZIP.

SeverityHigh
CVSS7.5
Exploit probability—
ProductFusionpbx
PublishedOct 10, 2026
First seenOct 10, 2026

How to fix

Affected products

ProductAffected versionsFixed in
fusionpbx fusionpbxv ≤ 5.6.5—

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