CVE-2026-119560
OPNsense core through 26.7.8 contains a configuration injection vulnerability that allows…
- Risk score
- 41/100
- CVSS
- 5.9 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 30 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 service…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 5.9 medium
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
- https://www.vulncheck.com/advisories/opnsense-core-through-26.7.8-ntp-configuration-injection-via-gps-and-pps-fudge-fields
Original 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.
Last activity 30 Oct 2026. Patch Forecast updates every hour.