CVE-2026-119560

Medium

Description

OPNsense core through 26.7.8 contains a configuration injection vulnerability that allows authenticated users to append ntpd.conf directives by embedding newlines in the fudge and refid fields. Attackers holding the page-services-ntp-gps or PPS privilege can submit CR/LF characters via services_ntpd_gps.php or services_ntpd_pps.php to inject directives loaded by ntpd running as root.

SeverityMedium

CVSS5.9

Exploit probability—

ProductOpnsense Core

PublishedOct 30, 2026

First seenNov 4, 2026

Weakness typeCWE-93CWE-93

How to fix

Vendor advisories

github.com/opnsense/core/security/advisories/GHSA-fq94-cxvc-9r7w

Affected products

Product	Affected versions	Fixed in
opnsense core	v ≤ 26.7.8	—

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