CVE-2026-111224

Netgate pfSense CE through 2.9.0 OS Command Injection via openvpn.connect_async.sh

Published Oct 15, 2026 CVSS 4.0 · 7.7 High EPSS 5.4% KEV · Not listed
Description
pfSense CE through 2.9.0 contains an OS command injection vulnerability in the OpenVPN openvpn.connect_async.sh script that allows authenticated VPN users to execute commands as root via crafted usernames. Attackers authenticated through RADIUS or LDAP can use usernames containing single quotes and shell metacharacters to break out of the eval'd pfctl anchor name on connect or disconnect.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Netgate pfsense Ce
Vendors & Products Netgate pfsense Ce
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description pfSense CE through 2.9.0 contains an OS command injection vulnerability in the OpenVPN openvpn.connect_async.sh script that allows authenticated VPN users to execute commands as root via crafted usernames. Attackers authenticated through RADIUS or LDAP can use usernames containing single quotes and shell metacharacters to break out of the eval'd pfctl anchor name on connect or disconnect.
Title Netgate pfSense CE through 2.9.0 OS Command Injection via openvpn.connect_async.sh
First Time appeared Netgate
Netgate pfsense
Weaknesses CWE-78
CPEs cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*
Vendors & Products Netgate
Netgate pfsense
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 16, 2026, 5:11 PM
Reserved
Oct 15, 2026, 6:21 PM
Status
Awaiting Analysis
Published
Oct 15, 2026, 7:17 PM
Modified
Oct 16, 2026, 6:17 PM