PT-2026-115191 · Netgate · Pfsense Ce

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CVE-2026-111226

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Published

2026-10-15

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Updated

2026-10-15

CVSS v3.1

7.2

High

VectorAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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.

Exploit

Fix

OS Command Injection

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Weakness Enumeration

Related Identifiers

CVE-2026-111226

Affected Products

Pfsense Ce