CVE-2026-119560mediumCWE-93

CVE-2026-119560: medium-severity vulnerability in opnsense core

OPNsense core through 26.7.8 NTP Configuration Injection via GPS and PPS Fudge Fields

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6epss 0.3%
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.
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
Affected products
opnsense · core
Related CVEs — opnsense core

In the same product, most dangerous first.

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