CVE-2026-111224 Netgate pfSense CE through 2.9.0 OS Command Injection via openvpn.connect_async.sh
Authenticated VPN users can execute arbitrary commands as root via crafted usernames in pfSense CE, requiring a patch to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111224?
CVE-2026-111224 is a high-severity command injection vulnerability in Netgate pfSense CE, published on 15 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
pfSense CE through 2.9.0 contains an OS command injection vulnerability in the OpenVPN openvpn.connect_async.sh script that allows authenticated VPN users to execute commands as root via crafted usernames. Attackers authenticated through RADIUS or LDAP can use usernames containing single quotes and shell metacharacters to break out of the eval'd pfctl anchor name on connect or disconnect.
Weakness: CWE-78
Which versions are affected by CVE-2026-111224?
How do I fix CVE-2026-111224?
No fix has been published for CVE-2026-111224 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-2026-111224 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111224 exists.
Sources
Also known as GHSA-x2xf-vqvc-49xv.