CVE-2026-57155

OPNsense versions prior to 26.1.11 and 26.4.1p1 are vulnerable to Root Remote Code Execution (RCE) via an arbitrary file write in the Firewall Alias GeoIP importer . The root cause is an unvalidated CSV country_code value in the process_zip() and process_gzip() paths of src/opnsense/scripts/filte...