CVE-2026-111228

Netgate pfSense CE 2.7.1 through 2.9.0 CRLF Injection via services_unbound_advanced.php

MEDIUM
5.5
CVSS Score
Published: October 15, 2026 at 06:46 PM UTC
Updated: October 19, 2026 at 08:42 PM UTC
2 products affected across 2 vendorsPfsensepfSense

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Severity
MEDIUM5.5
Exploit prediction
EPSS 2%
SSVC
PoC

Description

Netgate pfSense CE from 2.7.1 through 2.9.0 contains a CRLF injection vulnerability in services_unbound_advanced.php that allows authenticated users with DNS Resolver: Advanced privilege to inject Unbound directives. Attackers can embed CR/LF characters in the unvalidated sock_queue_timeout parameter, which is written raw into unbound.conf, to override local records and forwarding for all clients.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.7.1 ≤ v ≤ 2.9.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-93

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