Vulnerability record/PUBLISHED/Published Oct 30, 2026 11:31:08 UTC
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 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.
Base score6.0/ 10
SeverityMediumCVSS 4.0
Exploitability / impact
CVSS metric breakdown
Base severityMedium
Attack vectorNetworkAV
Attack complexityHighAC
Attack requirementsPresentAT
Privileges requiredLowPR
User interactionNoneUI
Vulnerable system confidentialityNoneVC
Vulnerable system integrityHighVI
Vulnerable system availabilityLowVA
Subsequent system confidentialityNoneSC
Subsequent system integrityNoneSI
Subsequent system availabilityNoneSA
CVSS vector string
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:NCVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.
Record context
CVE Numbering AuthorityVulnCheck
Last updatedOct 30, 2026 11:31:08 UTC
PublishedOct 30, 2026 11:31:08 UTC
ReservedOct 30, 2026 10:53:29 UTC
Credits
- Abraxas Labs