CVE-2026-55897 luci-app-advanced-reboot read ACL exposes /bin/sh through file.exec, allowing delegated users to run commands as root

luci-app-advanced-reboot is a LuCI web interface application for OpenWrt that provides a way to reboot your router into an alternative firmware partition or perform reboot operations directly from the web UI. Prior to 1.1.2-6, the luci-app-advanced-reboot read ACL in...

CVE-2026-55897

luci-app-advanced-reboot , a LuCI web UI application for OpenWrt, contained a read ACL in applications/luci-app-advanced-reboot/root/usr/share/rpcd/acl.d/luci-app-advanced-reboot.json that granted rpcd file.exec permission for the general shell interpreter /bin/sh . Prior to version 1.1.2-6 , an ...