CVE-2026-111225
Medium
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.
SeverityMedium
CVSS5.0
Exploit probability—
ProductPfsense
PublishedOct 15, 2026
First seenOct 15, 2026
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pfsense pfsense | 2.5.0 ≤ v ≤ 2.9.0 | — |
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