LibreNMS vulnerabilities
7 known CVE vulnerabilities in LibreNMS, translated and rated.
- CVE-2020-15878Unknown
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 /ajax_table.php API endpoint.
- CVE-2020-15876Unknown
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 /ajax_table.php API endpoint. This affects many files in includes/html/table.
- CVE-2020-15874Unknown
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-2024-51092Critical
LibreNMS before 24.10.0 allows a remote attacker to execute arbitrary code via OS command injection involving AboutController.php's index(), SettingsController.php's update(), and PollDevice.php's initRrdDirectory().
- CVE-2026-55182High
LibreNMS versions from 21.6.0 up to 26.5.0 are vulnerable to command injection in the Signal alert transport because the signal-cli path and the Recipient field are insufficiently escaped before being passed to an exec call. An authenticated administrator can execute arbitrary OS commands on the LibreNMS host.
- CVE-2026-45694Medium
LibreNMS up to version 26.4.0 is vulnerable to reflected cross-site scripting in the Proxmox application view through user-supplied instance and vmid GET parameters, which are reflected into the page title without adequate encoding. This issue is fixed in version 26.5.0.
- CVE-2026-80214High
LibreNMS's Virtualization Discovery module is vulnerable to command line injection. An authenticated admin user can execute arbitrary code on the host server.

