CVE-2026-111225

Netgate pfSense CE 2.5.0 through 2.9.0 contains an OS command injection vulnerability in openvpn.learn-address.sh that allows authenticated VPN clients to execute commands as the unbound user. Attackers can embed shell metacharacters in the certificate common name or username, which is interpolated unquoted into su -c strings, when DNS Resolver client registration is enabled.
Configurations

Configuration 1 (hide)

cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*

History

19 Oct 2026, 20:43

Type Values Removed Values Added
First Time Pfsense
Pfsense pfsense
CPE cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*
References () https://abraxaslabs.tech/research/pfsense-ce-leftovers - () https://abraxaslabs.tech/research/pfsense-ce-leftovers - Issue Tracking
References () https://github.com/abraxas/pfsense-ovpn-learn-cn - () https://github.com/abraxas/pfsense-ovpn-learn-cn - Third Party Advisory
References () https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/sbin/openvpn.learn-address.sh#L57-L62 - () https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/sbin/openvpn.learn-address.sh#L57-L62 - Product
References () https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.5.0-through-2.9.0-os-command-injection-via-openvpn-learn-address-sh - () https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.5.0-through-2.9.0-os-command-injection-via-openvpn-learn-address-sh - Third Party Advisory

15 Oct 2026, 19:17

Type Values Removed Values Added
New CVE

Information

Published : 2026-10-15 19:17

Updated : 2026-10-19 20:43


NVD link : CVE-2026-111225

Mitre link : CVE-2026-111225

CVE.ORG link : CVE-2026-111225


JSON object : View

Products Affected

pfsense

  • pfsense
CWE
CWE-78

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