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.
References
Configurations
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 - Issue Tracking | |
| References | () 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 - 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 - 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')
