HIGHCVSS v3.1 7.2Vulnerability

CVE-2026-111226

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.

Properties

Severity
HIGH
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.06548
Cvss severity
HIGH
Cvss score
7.2
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
7.2
Cvss version
3.1
Cve id
CVE-2026-111226
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published at
2026-10-15T19:17:35.373
Last modified
2026-10-15T21:05:32.823
Epss percentile
0.93752

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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CVE-2026-111226 (CVSS v3.1 7.2) — Ninja Signal Threat Intelligence | Ninja Signal