CVE-2026-111230

Medium

Description

Netgate pfSense CE through 2.9.0 contains a local file read vulnerability that allows users with the Dynamic DNS client privilege to read files as root by setting a file:// custom Update URL in services_dyndns_edit.php. Attackers can set a non-matching Result Match string so _checkStatus() logs file contents such as /conf/config.xml or /etc/master.passwd to the system log.

SeverityMedium
CVSS4.9
Exploit probability—
ProductPfsense
PublishedOct 15, 2026
First seenOct 15, 2026
Weakness typeCWE-73CWE-73

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
pfsense pfsensev ≤ 2.9.0—

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