Investigate in your agent.

Turn this advisory into a focused investigation. Ask your agent to check your project’s versions, explain the evidence, and suggest a compatible fix.

Your agent needs remote MCP support and access to https://cve.new/mcp.

Read the setup guide

Skip to content
cve.new Create a CVE report
Check your stack
CVE-2026-119560medium6.0

OPNsense core through 26.7.8 NTP Configuration Injection via GPS and PPS Fudge Fields

Impact

OPNsense core through 26.7.8 has a configuration injection vulnerability, allowing authenticated users with specific privileges to inject ntpd.conf directives by embedding newlines in certain fields. This affects versions 26.7.8 and below. Attackers must have the page-services-ntp-gps or PPS privilege to exploit this weakness.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

opnsense · VulnCheck

core

1 range
VulnCheck version evidence

Package identity

pkg:github/opnsense/core

Identity supplied by VulnCheck. Version matching requires compatible range evidence.

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → through 26.7.8

semver versions

unaffected

unknown

Other versions: unaffected

Original source 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.

Inside the record

Evidence available

Package identity
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-119560

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-93 ↗

Improper Neutralization of CRLF Sequences ('CRLF Injection')

VulnCheck

Related →

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

VulnCheck · platform conditions

Any condition may hold

Vulnerable product

cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*

Through (inclusive): 26.7.8

Original applicability statements
[
  {
    "nodes": [
      {
        "operator": "OR",
        "negate": false,
        "cpeMatch": [
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*",
            "versionEndIncluding": "26.7.8"
          }
        ]
      }
    ]
  }
]
Contributing organizations · 2
VulnCheck

Assigning organization

2026-10-30
CISA-ADP

Additional data publisher

2026-10-30

What changed

Follow changes
  1. CVE · CVE-2026-119560

    Observed 2026-10-30T17:20:21.528Z · upstream updated 2026-10-30T15:54:16.495Z

    Prioritization updated

    before

    []

    after

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-30T15:21:08.046274Z",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "partial"
      }
    ]
  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.

References

6 sources
github.com/opnsense/core/security/advisories/GHSA-fq94-cxvc-9r7w
relatedVulnCheck
github.com/opnsense/core/blob/26.7.8/src/etc/inc/plugins.inc.d/ntpd.inc
technical-descriptionVulnCheck
github.com/opnsense/core/blob/26.7.8/src/www/services_ntpd_gps.php
technical-descriptionVulnCheck
abraxaslabs.tech/research/opnsense-ntp-gps-fudge
third-party-advisoryVulnCheck
github.com/opnsense/core
productVulnCheck
www.vulncheck.com/advisories/opnsense-core-through-26.7.8-ntp-configuration-injection-via-gps-and-pps-fudge-fields
third-party-advisoryVulnCheck