Command Injection

Overview librenms/librenms is a fully featured network monitoring system that provides a wealth of features and device support. Affected versions of this package are vulnerable to Command Injection in the libvirt discovery process when enablelibvirt is set to true. An attacker can execute arbitra...

CVE-2026-84194

LibreNMS versions = 23.10.0 and getDevice-hostname is concatenated into shell commands ssh, virsh list/dumpxml/domstate in VminfoLibvirt.php and passed to exec without escapeshellarg or argument separation. An authenticated admin can set a crafted device hostname to inject arbitrary OS commands,...

EUVD-2026-69031

LibreNMS versions = 23.10.0 and getDevice-hostname is concatenated into shell commands ssh, virsh list/dumpxml/domstate in VminfoLibvirt.php and passed to exec without escapeshellarg or argument separation. An authenticated admin can set a crafted device hostname to inject arbitrary OS commands,...

CVE-2026-84194

LibreNMS versions >= 23.10.0 and

CVE-2026-84194 LibreNMS 23.10.0 before 26.4.0 OS Command Injection via Hostname

LibreNMS versions = 23.10.0 and getDevice-hostname is concatenated into shell commands ssh, virsh list/dumpxml/domstate in VminfoLibvirt.php and passed to exec without escapeshellarg or argument separation. An authenticated admin can set a crafted device hostname to inject arbitrary OS commands,...

CVE-2026-84194 LibreNMS 23.10.0 before 26.4.0 OS Command Injection via Hostname

LibreNMS versions = 23.10.0 and getDevice-hostname is concatenated into shell commands ssh, virsh list/dumpxml/domstate in VminfoLibvirt.php and passed to exec without escapeshellarg or argument separation. An authenticated admin can set a crafted device hostname to inject arbitrary OS commands,...

CVE-2026-84194 LibreNMS 23.10.0 before 26.4.0 OS Command Injection via Hostname

LibreNMS versions = 23.10.0 and getDevice-hostname is concatenated into shell commands ssh, virsh list/dumpxml/domstate in VminfoLibvirt.php and passed to exec without escapeshellarg or argument separation. An authenticated admin can set a crafted device hostname to inject arbitrary OS commands,...

PT-2026-84157

LibreNMS versions = 23.10.0 and getDevice-hostname is concatenated into shell commands ssh, virsh list/dumpxml/domstate in VminfoLibvirt.php and passed to exec without escapeshellarg or argument separation. An authenticated admin can set a crafted device hostname to inject arbitrary OS commands,...

CVE-2026-84194: Improper Neutralization of Special Elements used in an OS Command

LibreNMS versions = 23.10.0 and getDevice-hostname is concatenated into shell commands ssh, virsh list/dumpxml/domstate in VminfoLibvirt.php and passed to exec without escapeshellarg or argument separation. An authenticated admin can set a crafted device hostname to inject arbitrary OS commands,...