CVE-2026-111216 Netgate pfSense CE through 2.9.0 OS Command Injection via Gateway Monitor IP
Authenticated users with gateway edit privileges can execute arbitrary commands as root via OS command injection in the Gateway Monitor IP field.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111216?
CVE-2026-111216 is a high-severity command injection vulnerability in Netgate pfSense CE, published on 15 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Netgate pfSense CE through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with gateway edit privileges to execute commands as root by injecting shell metacharacters into an IPv6 link-local zone index. Attackers can set a gateway Monitor IP whose unvalidated zone carries a payload, which start_dpinger() passes unescaped to the dpinger shell command when monitoring is applied.
Weakness: CWE-78
Which versions are affected by CVE-2026-111216?
It affects 1 product.
Products include Pfsense Pfsense.
How do I fix CVE-2026-111216?
No fix has been published for CVE-2026-111216 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-111216 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111216 exists.
Other vulnerabilities in Netgate pfSense CE
Sources
Also known as GHSA-j7pj-3cmw-7qqc.