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CVE-2026-119560: OPNsense core through 26.7.8 contains a configuration injection vulnerability that allows authenticated users

21
Routine
MEDIUM 5.9

CVE-2026-119560 is a medium-severity flaw (CVSS 5.9) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score5.9 (Medium)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededLow
User interactionNone
EPSS exploit chancen/a
CISA exploited listNo
WeaknessCWE-93
Published2026-10-30
Last modified2026-10-30
Publisher (CNA): VulnCheck

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Last updated 2026-10-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

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Research and news

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Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-119560?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-119560 being exploited?

CVE-2026-119560 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-119560 affect?

CVE-2026-119560 affects affected software. Severity is medium (CVSS 5.9). 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

How urgent is CVE-2026-119560?

Priority 21/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities · pfSense and OPNsense vulnerabilities

References

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