CVE-2026-111224CWE-78command-injection

CVE-2026-111224

High · published October 15, 2026

CVSS v3.1
7.5
EPSS
5%
Percentile
92.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
7.7 · 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
EPSS
0.05366 · 92.6th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-10-15T23:17Z
References (4)
https://abraxaslabs.tech/research/pfsense-ce-leftovers · [email protected]https://github.com/abraxas/pfsense-ovpn-connect-eval · [email protected]https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/sbin/openvpn.connect_async.sh#L83-L114 · [email protected]https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-os-command-injection-via-openvpn-connect-async-sh · [email protected]
EPSS history
Timeline
  • 17 OCT 03:28Z
    EPSS moved — → 5%
    epss
  • 15 OCT 18:46Z
    Netgate pfSense CE through 2.9.0 OS Command Injection via openvpn.connect_async.sh
    cvelistv5
  • 15 OCT 18:46Z
    Netgate pfSense CE through 2.9.0 OS Command Injection via openvpn.connect_async.sh
    cvelistv5