MEDIUM 6.0 NVD
CVE-2026-119560
OPNsense core through 26.7.8 contains a configuration injection vulnerability that allows authenticated users to append ntpd.conf directives by embedding newlin
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.
References
- https://abraxaslabs.tech/research/opnsense-ntp-gps-fudge
- https://github.com/opnsense/core
- https://github.com/opnsense/core/blob/26.7.8/src/etc/inc/plugins.inc.d/ntpd.inc#L285-L312
- https://github.com/opnsense/core/blob/26.7.8/src/www/services_ntpd_gps.php#L49
- https://github.com/opnsense/core/security/advisories/GHSA-fq94-cxvc-9r7w
This medium severity vulnerability with a CVSS score of 6.0 was published on 2026-10-30 via NVD.
vulnfeed aggregates 17475 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.