CVE-2026-111227: pfSense CE 0 through 2.9.0

Affected technology

pfSense CE · 0 through 2.9.0
Netgate

Description’s affected range: through 2.9.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · High privileges required · No user interaction required

What an attacker can do

Authenticated users with the DNS Resolver: Access Lists privilege can inject Unbound configuration directives. Vendor/CNA’s CVSS 4.0 assessment (base score 5.1/10) rates confidentiality impact as none; integrity and availability impact as low.