All vulnerabilities
CVE-2026-111225

Netgate pfSense CE 2.5.0 through 2.9.0 OS Command Injection via openvpn.learn-address.sh

Netgate pfSense CE
Open in ThreatlineRecord JSON
CVSS
2.3Low
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 15 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)6.21%Chance of exploitation activity in the next 30 days, higher than 93% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published15 Oct 2026Updated 15 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

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.

Text from CVE List

Affected versions 1

  • pfSense CEaffected: 2.5.0 through 2.9.0CVE List

References 4