Netgate pfSense CE XMLRPC Incorrect Authorization Remote Code Execution Vulnerability

November 13th, 2026
ZDI-26-960 ZDI-CAN-32353

CVE ID

CVE-2026-92182

CVSS Score

8.8 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Netgate

Affected Products

pfSense

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netgate pfSense. Authentication is required to exploit this vulnerability.

The specific flaw exists within the XMLRPC endpoint. The issue results from incorrect authorization prior to allowing access to functionality. An attacker can leverage this vulnerability to execute code within the context of the root.

Additional Details

Netgate has issued an update to correct this vulnerability. More details can be found at:
https://docs.netgate.com/downloads/pfSense-SA-26_22.webgui.asc

Disclosure Timeline

  • 2026-08-25 - Vulnerability reported to vendor
  • 2026-11-13 - Coordinated public release of advisory
  • 2026-11-13 - Advisory Updated

Credit

Alex Williams from Pellera Technologies

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