CVE-2026-111219 Netgate pfSense CE through 2.9.0 Command Injection via PPPoE Server Username
Privileged users can inject commands into PPPoE server configuration, leading to root code execution upon client authentication.
- 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-2026-111219?
CVE-2026-111219 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 a newline injection vulnerability in services_pppoe_edit.php that allows privileged users to inject mpd.secret entries via unvalidated username POST fields. Attackers with the PPPoE Server Edit privilege can add a line whose secret begins with '!', making mpd5 run commands as root when a PPPoE client authenticates.
Weakness: CWE-93
Which versions are affected by CVE-2026-111219?
It affects 1 product.
Products include Pfsense Pfsense.
How do I fix CVE-2026-111219?
No fix has been published for CVE-2026-111219 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-2026-111219 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111219 exists.
Other vulnerabilities in Netgate pfSense CE
Sources
Also known as GHSA-gg6q-95gx-p8r8.