CVE-2026-62947: Improper Limitation of a Pathname to a Restricted Directory

OpenWrt is a Linux operating system targeting embedded devices. Prior to 25.12.5, the cgi-download handler in cgi-io authorizes the requested path against the caller's ubus session file ACL before canonicalization, and rpcd session.c uses fnmatch without FNMPATHNAME, allowing traversal such as an...