{"id":"CVE-2026-111227","published":"2026-10-15T19:17:35.527","lastModified":"2026-10-15T21:05:32.823","description":"Netgate pfSense CE through 2.9.0 contains a CRLF injection vulnerability in services_unbound_acls.php that allows authenticated users with the DNS Resolver: Access Lists privilege to inject Unbound configuration directives. Attackers can embed CR/LF characters in the aclname or aclaction fields written to access_lists.conf to add local-data, local-zone, or forward-zone directives and control DNS answers served to LAN clients.","cvssScore":5.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L","cwes":["CWE-93"],"vendors":[],"products":[],"references":[{"url":"https://abraxaslabs.tech/research/pfsense-ce-leftovers","tags":[]},{"url":"https://github.com/abraxas/pfsense-unbound-acl-crlf","tags":[]},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/unbound.inc#L1094-L1112","tags":[]},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_unbound_acls.php#L121-L142","tags":[]},{"url":"https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-crlf-injection-via-services-unbound-acls-php","tags":[]}],"exploitRefs":[{"url":"https://github.com/abraxas/pfsense-unbound-acl-crlf","tags":[]},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/unbound.inc#L1094-L1112","tags":[]},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_unbound_acls.php#L121-L142","tags":[]}],"hasPoc":true,"ai":null}