CVE-2026-111214: netgate pfsense ce OS Command Injection

Vulnerability summary

CVE-2026-111214 is a high (CVSS 8.6) OS Command Injection vulnerability in netgate pfsense ce. EPSS estimates a 10.01% chance of exploitation in the next 30 days, higher than 95.5% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 15-10-2026
   PublishedVulnerability first disclosed.
2. 16-10-2026
   Last modifiedVulnerability information updated.

Description

Netgate pfSense CE 2.7.0 through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with QinQ edit privilege to run commands by storing an unvalidated parent interface name. Attackers can save a crafted 'if' value, then edit the QinQ entry so it is interpolated into ifconfig shell commands, executing commands as root.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.