---
title: "CVE-2026-108161: FusionPBX - Command Injection"
description: "FusionPBX through 5.6.5 contains a command injection vulnerability caused by improper sanitization of caller ID values in call_recordings::download(), letting unauthenticated attackers execute OS commands as the web server user when privileged users download multiple recordings as a ZIP, exploit requires record_name filename template enabled."
url: https://panop.io/threat-heartbeat/CVE-2026-108161/
---

# CVE-2026-108161 FusionPBX - Command Injection

FusionPBX through 5.6.5 contains a command injection vulnerability caused by improper sanitization of caller ID values in call\_recordings::download(), letting unauthenticated attackers execute OS commands as the web server user when privileged users download multiple recordings as a ZIP, exploit requires record\_name filename template enabled.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

1.10% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-108161)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

10 October 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Update to the latest version beyond 5.6.5.

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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-108161](https://nvd.nist.gov/vuln/detail/CVE-2026-108161)
- [https://github.com/fusionpbx/fusionpbx/commit/074a69310100f95171c67db62643cc2aac4f4d37](https://github.com/fusionpbx/fusionpbx/commit/074a69310100f95171c67db62643cc2aac4f4d37)
- [https://www.vulncheck.com/advisories/fusionpbx-through-5.6.5-os-command-injection-via-caller-id-in-recording-zip-download](https://www.vulncheck.com/advisories/fusionpbx-through-5.6.5-os-command-injection-via-caller-id-in-recording-zip-download)
- [https://github.com/fusionpbx/fusionpbx](https://github.com/fusionpbx/fusionpbx)
- [https://github.com/fusionpbx/fusionpbx/blob/ac4cd29870e3af67506390800904e262fee7e0ec/app/call\_recordings/resources/classes/call\_recordings.php#L736-L776](https://github.com/fusionpbx/fusionpbx/blob/ac4cd29870e3af67506390800904e262fee7e0ec/app/call_recordings/resources/classes/call_recordings.php#L736-L776)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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