EUVD-2026-66772

LibreNMS is a network monitoring system. In versions up to and including 26.4.0, the Proxmox application view is vulnerable to reflected cross-site scripting through the user-supplied instance and vmid GET parameters, which are reflected into the page title without adequate encoding. The paramete...

CVE-2026-45694 LibreNMS: Reflected XSS in the Proxmox app view via unsanitized instance/vmid parameters

LibreNMS is a network monitoring system. In versions up to and including 26.4.0, the Proxmox application view is vulnerable to reflected cross-site scripting through the user-supplied instance and vmid GET parameters, which are reflected into the page title without adequate encoding. The paramete...

CVE-2026-45694 LibreNMS: Reflected XSS in the Proxmox app view via unsanitized instance/vmid parameters

LibreNMS is a network monitoring system. In versions up to and including 26.4.0, the Proxmox application view is vulnerable to reflected cross-site scripting through the user-supplied instance and vmid GET parameters, which are reflected into the page title without adequate encoding. The paramete...

CVE-2026-45694

LibreNMS (network monitoring system) is affected by a reflected XSS in the Proxmox application view (versions up to 26.4.0 ). The root cause is in LegacyController.php:75, where the page title is injected into a document.title JavaScript assignment via string interpolation. The instance and vmid ...

Cross-site Scripting (XSS)

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 Cross-site Scripting XSS via unescaped output of attacker-controlled SNMP and syslog data in legacy PHP templates. An...

GHSA-7W8C-QGXG-M7JX LibreNMS — Stored XSS via SNMP/Syslog Data in Legacy Templates

Summary Multiple legacy PHP template files in LibreNMS directly output SNMP-sourced and syslog-sourced data into HTML without escaping. An attacker who controls a monitored network device via compromised SNMP agent or syslog sender can inject arbitrary JavaScript that executes when any...

CVE-2020-15876

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can extract all the information from the LibreNMS database via a SQL injection in the sort parameter in the /ajaxtable.php API endpoint. This affects address-search.inc.php, alertlog.inc.php,...

CVE-2020-15878

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can extract all the information from the LibreNMS database via a SQL injection in the address parameter in the /ajaxtable.php API endpoint...

CVE-2020-15876

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can extract all the information from the LibreNMS database via a SQL injection in the sort parameter in the /ajaxtable.php API endpoint. This affects address-search.inc.php, alertlog.inc.php,...

CVE-2020-15878

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can extract all the information from the LibreNMS database via a SQL injection in the address parameter in the /ajaxtable.php API endpoint...

CVE-2020-15874

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can execute arbitrary shell commands through a command injection in the /graph.php API endpoint...

CVE-2020-15874

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can execute arbitrary shell commands through a command injection in the /graph.php API endpoint...

CVE-2026-80214

LibreNMS’s Virtualization Discovery module is vulnerable to command line injection. An authenticated admin user can execute arbitrary code on the host server...

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 Virtualization Discovery process. An attacker can execute arbitrary commands on the host...

CVE-2026-80214 LibreNMS Virtualisation Discovery Module RCE

LibreNMS’s Virtualization Discovery module is vulnerable to command line injection. An authenticated admin user can execute arbitrary code on the host server...

EUVD-2026-66227

LibreNMS’s Virtualization Discovery module is vulnerable to command line injection. An authenticated admin user can execute arbitrary code on the host server...

CVE-2026-80214

LibreNMS 's Virtualization Discovery module is susceptible to command line injection , allowing an authenticated admin user to execute arbitrary code on the host server. The CVSS 4.0 base score is 8.6 (HIGH) , reflecting network reachability with low attack complexity but requiring high privilege...

CVE-2026-80214 LibreNMS Virtualisation Discovery Module RCE

LibreNMS’s Virtualization Discovery module is vulnerable to command line injection. An authenticated admin user can execute arbitrary code on the host server...

CVE-2026-80214 LibreNMS Virtualisation Discovery Module RCE

LibreNMS’s Virtualization Discovery module is vulnerable to command line injection. An authenticated admin user can execute arbitrary code on the host server...

CVE-2020-15878

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can extract all the information from the LibreNMS database via a SQL injection in the address parameter in the /ajaxtable.php API endpoint...