{"id":"CVE-2026-111227","title":"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","summary":"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…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L","cwe":["CWE-93"],"vendor":"Netgate","product":"pfSense CE","affected":["pfsense_ce <= 2.9.0"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T19:17:35.527","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-111227","references":[{"url":"https://abraxaslabs.tech/research/pfsense-ce-leftovers","label":"disclosure@vulncheck.com"},{"url":"https://github.com/abraxas/pfsense-unbound-acl-crlf","label":"disclosure@vulncheck.com"},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/unbound.inc#L1094-L1112","label":"disclosure@vulncheck.com"},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_unbound_acls.php#L121-L142","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-crlf-injection-via-services-unbound-acls-php","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-15T19:25:46.430Z","slug":"CVE-2026-111227","body":"## Overview\n\nNetgate 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}