Is CVE-2026-73662 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-73662 being exploited in the wild.

How severe is CVE-2026-73662?

Informational severity, with a CVSS score of 7.5, published 13 August 2026.

Which products and versions are affected?

FreePBX Music on Hold module 17.0.1 to 17.0.6.

Is there a fix for CVE-2026-73662?

A patch was published on 2026: Fixed in version 17.0.7 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-73662 attacked?

It is attacked over the network.

Am I affected by CVE-2026-73662?

Check whether you run FreePBX Music on Hold module at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-73662: FreePBX Music on Hold arbitrary command execution via mpg123 options

CVE-2026-73662 · Severity: info · CVSS 7.5 · Published 2026-08-13

FreePBX is an open-source phone system that allows administrators to configure music played while callers are on hold. A flaw in the Music on Hold module allows authenticated administrators to inject dangerous command-line options into the music player (mpg123) that can execute arbitrary commands on the system with the privileges of the Asterisk service user, potentially compromising the entire phone system and accessing sensitive call data.

Vendors: FreePBX.

Quick answers

Is CVE-2026-73662 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-73662 being exploited in the wild.
How severe is CVE-2026-73662?: Informational severity, with a CVSS score of 7.5, published 13 August 2026.
Which products and versions are affected?: FreePBX Music on Hold module 17.0.1 to 17.0.6.
Is there a fix for CVE-2026-73662?: A patch was published on 2026: Fixed in version 17.0.7 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-73662 attacked?: It is attacked over the network.
Am I affected by CVE-2026-73662?: Check whether you run FreePBX Music on Hold module at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is an improper input validation flaw in the FreePBX Music on Hold module's validateCustomConfiguration() function in Music.class.php. The applicationUsesDisallowedPlayerOption() validation function fails to reject dangerous command-line options (such as file write, control channel, or Asterisk call file creation flags) when configuring custom music players like /usr/bin/mpg123. An authenticated administrator with access to the FreePBX Admin Control Panel can inject these options to achieve arbitrary command execution as the asterisk service user. The vulnerability requires administrator-level authentication and is fixed in version 17.0.7 by implementing stricter argument allowlisting.

Affected products

FreePBX Music on Hold module 17.0.1 to 17.0.6

Timeline

2026-07-16: disclosed: GitHub Security Advisory GHSA-p97w-rq48-p8q2 published
2026: patched: Fixed in version 17.0.7
2026-08-13: other: CVE-2026-73662 published to NVD

References

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