{"id":"CVE-2026-119560","published":"2026-10-30T12:16:43.363","lastModified":"2026-10-30T19:23:25.493","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.","cvssScore":5.9,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L","cwes":["CWE-93"],"vendors":[],"products":[],"references":[{"url":"https://abraxaslabs.tech/research/opnsense-ntp-gps-fudge","tags":[]},{"url":"https://github.com/opnsense/core","tags":[]},{"url":"https://github.com/opnsense/core/blob/26.7.8/src/etc/inc/plugins.inc.d/ntpd.inc#L285-L312","tags":[]},{"url":"https://github.com/opnsense/core/blob/26.7.8/src/www/services_ntpd_gps.php#L49","tags":[]},{"url":"https://github.com/opnsense/core/security/advisories/GHSA-fq94-cxvc-9r7w","tags":[]},{"url":"https://www.vulncheck.com/advisories/opnsense-core-through-26.7.8-ntp-configuration-injection-via-gps-and-pps-fudge-fields","tags":[]}],"exploitRefs":[{"url":"https://github.com/opnsense/core","tags":[]},{"url":"https://github.com/opnsense/core/blob/26.7.8/src/etc/inc/plugins.inc.d/ntpd.inc#L285-L312","tags":[]},{"url":"https://github.com/opnsense/core/blob/26.7.8/src/www/services_ntpd_gps.php#L49","tags":[]},{"url":"https://github.com/opnsense/core/security/advisories/GHSA-fq94-cxvc-9r7w","tags":[]}],"hasPoc":true,"ai":null}