CVE-2026-111224

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

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.

Affected

Netgate · pfSense CE

CVSS v4.0 VULNCHECK

7.7 HIGHCVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULNCHECK

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

EPSS

5.37% chance of exploitation in the next 30 days, 93rd percentile

Published

2026-10-15

Updated

2026-10-16

Proof-of-concept exploits (1)

• abraxas/pfsense-ovpn-connect-eval

References

• CVE Record
• NVD entry