{"id":"CVE-2026-111229","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-111229","summary":"pfSense CE 2.7.0 through 2.9.0 contains a command injection vulnerability in services_captiveportal_hasync.php that allows users with only the Captive Portal HA privilege to execute…","details":"pfSense CE 2.7.0 through 2.9.0 contains a command injection vulnerability in services_captiveportal_hasync.php that allows users with only the Captive Portal HA privilege to execute commands as root. Attackers can set backwardsyncip to a malicious XMLRPC server returning connected_users with shell metacharacters in ip or mac fields, which captiveportal_load_pfctl passes unescaped to a pfctl shell command.","published":"2026-10-15T19:17:35.813","modified":"2026-10-15T19:17:35.813","cvss":{"score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://abraxaslabs.tech/research/pfsense-ce-leftovers"},{"type":"WEB","url":"https://github.com/abraxas/pfsense-cp-ha-pfctl"},{"type":"WEB","url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/captiveportal.inc#L2958-L2966"},{"type":"WEB","url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_captiveportal_hasync.php#L106-L140"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-command-injection-via-captive-portal-ha-sync"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-15T19:17:35.813"}}