CVE-2026-111224

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://abraxaslabs.tech/research/pfsense-ce-leftovers
https://github.com/abraxas/pfsense-ovpn-connect-eval
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/sbin/openvpn.connect_async.sh#L83-L114
https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-os-command-injection-via-openvpn-connect-async-sh

Configurations

No configuration.

History

15 Oct 2026, 19:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-15 19:17

Updated : 2026-10-16 18:17

NVD link : CVE-2026-111224

Mitre link : CVE-2026-111224

CVE.ORG link : CVE-2026-111224

JSON object : View

Products Affected

No product.

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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