CVE-2026-111224: netgate pfsense ce OS Command Injection

Vulnerability summary

CVE-2026-111224 is a high (CVSS 7.7) OS Command Injection vulnerability in netgate pfsense ce. EPSS estimates a 5.37% chance of exploitation in the next 30 days, higher than 92.5% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

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

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.

• 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.