Medium severity5.9NVD Advisory· Published Oct 30, 2026
CVE-2026-119560
CVE-2026-119560
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.
Affected products
1Patches
Vulnerability mechanics
References
5- abraxaslabs.tech/research/opnsense-ntp-gps-fudgenvd
- github.com/opnsense/core/blob/26.7.8/src/etc/inc/plugins.inc.d/ntpd.incnvd
- github.com/opnsense/core/blob/26.7.8/src/www/services_ntpd_gps.phpnvd
- github.com/opnsense/core/security/advisories/GHSA-fq94-cxvc-9r7wnvd
- www.vulncheck.com/advisories/opnsense-core-through-26.7.8-ntp-configuration-injection-via-gps-and-pps-fudge-fieldsnvd
News mentions
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