{"id":"CVE-2026-111227","revision":"08deb0485c8140c39b053e1b64993f07","records":[{"revision":"08deb0485c8140c39b053e1b64993f07","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111227","aliases":[],"title":"Netgate pfSense CE through 2.9.0 CRLF Injection via services_unbound_acls.php","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.","state":0,"publishedAt":"2026-10-15T18:46:26.531+00:00","modifiedAt":"2026-10-21T01:10:35.133+00:00","affected":[{"ecosystem":"https://github.com","name":"pfSense CE","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Netgate\",\n                    \"product\": \"pfSense CE\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"2.9.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com\",\n                    \"packageURL\": \"pkg:github/pfsense/pfsense\",\n                    \"repo\": \"https://github.com/pfsense/pfsense\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L","score":5.1,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L","score":5.5,"severity":"MEDIUM"}],"references":["https://github.com/abraxas/pfsense-unbound-acl-crlf","https://abraxaslabs.tech/research/pfsense-ce-leftovers","https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/unbound.inc#L1094-L1112","https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/services_unbound_acls.php#L121-L142","https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-crlf-injection-via-services-unbound-acls-php"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111227","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111227","identifiers":["CVE-2026-111227"]},"retained":false,"historicalAffected":[]}],"coverage":[]}