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CVE-2026-111226

7.2, high

Netgate pfSense CE OS Command Injection Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
7.2, high high CVSS v3.1
EPSS, next 30 days
7% higher than 93.7% of scored CVEs
Exploitation
No public evidence
Published
15 Oct 20262 days ago

Description

pfSense CE 2.4.5 through 2.9.0 contains an OS command injection vulnerability that allows authenticated WebGUI users with Advanced Admin Access privilege to execute commands as root via Login Protection settings. Attackers can submit sshguard threshold, block time, or detection time values containing newlines or $(...) that are written unvalidated to sshguard.conf and sourced as root on restart.

Details

Vendor
Netgate
Product
pfSense CE
Weakness
CWE-78 (opens in a new tab)
Status
Awaiting analysis
Updated
15 Oct 2026
Assigner
disclosure@vulncheck.com

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References 5

Other references 5

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Netgate CVEs

Every Netgate CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-111214 Netgate pfSense CE OS Command Injection Vulnerability EPSS 9% 7.2, high
  • CVE-2026-111216 Netgate pfSense CE OS Command Injection Vulnerability EPSS 7% 7.2, high
  • CVE-2026-111217 Netgate pfSense CE OS Command Injection Vulnerability EPSS 7% 7.2, high
  • CVE-2026-111224 Netgate pfSense CE OS Command Injection Vulnerability EPSS 5% 7.5, high
  • CVE-2026-111229 Netgate pfSense CE OS Command Injection Vulnerability EPSS 6% 7.2, high
  • CVE-2026-111231 Netgate pfSense CE Incorrect Authorization Vulnerability EPSS 0.9% 7.2, high

Beyond this page

Is CVE-2026-111226 in your network?

This page tells you how dangerous CVE-2026-111226 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-111226 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.