CVE-2026-30480

CVE-2026-30480: LibreNMS Local File Inclusion LFI via Path Traversal Overview A Local File Inclusion LFI vulnerability exists in the NFSen module of LibreNMS. An authenticated attacker can exploit path traversal sequences to include arbitrary PHP files from the server filesystem. Field| Value...

CVE-2026-26988-LibreNMS-SQLi

CVE-2026-26988 – LibreNMS Unauthenticated SQL Injection PoC Unauthenticated SQL Injection in LibreNMS ajaxtable.php via IPv6 address search parameter. Affected versions : LibreNMS ≤ 25.12.0 Fixed in : LibreNMS ≥ 26.1 commit 15429580baba03ed1dd377bada1bde4b7a1175a1 CVSS v4.0 : 9.3 Critical...

CVE-2025-66850

Finding Within the ‘LibreNMS’ application, we discovered a reflected Cross-Site Scripting vulnerability; this vulnerability exists in the routing module’s protocol parameter, allowing an attacker to render malicious JavaScript in a victim’s browser. This vulnerability affects all versions from...

cs4239-cve-2020-15873

CVE-2020-15873 Proof of Concept of CVE-2020-15873 - Blind SQL Injection in Librenms librenms librenms Development Debugging LibreNMS Docker Instance 1. Obtain a shell to the container: $ sudo docker exec -it librenmsvuln /bin/bash 2. To read the logs generated by LibreNMS: $ tail -f...

CVE-2026-109357

LibreNMS before 26.9.0 contains an LDAP filter injection in ldap-authorization and ad-authorization modes because usernames are inserted unescaped into LDAP search filters and authentication only checks user existence. When REMOTEUSER is not forwarded, unauthenticated attackers can send a wildcar...

CVE-2026-109354

LibreNMS before 26.9.0 contains a path traversal vulnerability in nfsenchannelcommon.inc.php that allows authenticated users to read unauthorized RRD data by injecting ../ sequences into the channel parameter. Attackers with access to one NFSen-enabled device can request graph.php with a traverse...

CVE-2026-109356

LibreNMS before 26.9.0 contains a missing authorization vulnerability in PortsController::purge that allows global-read users to physically delete ports without delete privileges. Attackers with read-only accounts can send DELETE requests to /ports/purge, using purge=all to irreversibly erase eve...

CVE-2026-109353

LibreNMS before 26.9.0 contains an SQL injection vulnerability that allows unprivileged users to inject SQL by supplying an array-valued notificationid parameter to notifications.inc.php. Attackers can perform cross-table reads of users.password hashes, with results persisted in...

CVE-2026-109352

LibreNMS before 26.9.0 contains a stored cross-site scripting vulnerability in includes/html/pages/device/wireless.inc.php, which echoes wireless sensor sensordescr values, populated from SNMP DisplayString fields during discovery, into HTML without escaping. Attackers controlling a monitored...

CVE-2026-109355

LibreNMS before 26.9.0 contains a stored cross-site scripting vulnerability in getoxidizednodeslist that renders Oxidized API fields and SNMP sysName unescaped. Attackers controlling the Oxidized response or a device's SNMP sysName can inject script that executes in browsers of users viewing the...

EUVD-2026-97658

LibreNMS before 26.9.0 contains a missing authorization vulnerability in PortsController::purge that allows global-read users to physically delete ports without delete privileges. Attackers with read-only accounts can send DELETE requests to /ports/purge, using purge=all to irreversibly erase eve...

CVE-2026-109356

LibreNMS versions before 26.9.0 are susceptible to a missing authorization vulnerability in the PortsController::purge function. This flaw allows users with global-read (read-only) accounts to bypass necessary delete privileges by sending DELETE requests to the /ports/purge endpoint. By utilizing...

CVE-2026-109357

LibreNMS versions before 26.9.0 are vulnerable to an LDAP filter injection in ldap-authorization and ad-authorization modes. The root cause is the insertion of unescaped usernames into LDAP search filters combined with an authentication mechanism that only verifies user existence. If REMOTE_USER ...

CVE-2026-109357 LibreNMS before 26.9.0 LDAP Filter Injection Authentication Bypass via Authorization Header

LibreNMS before 26.9.0 contains an LDAP filter injection in ldap-authorization and ad-authorization modes because usernames are inserted unescaped into LDAP search filters and authentication only checks user existence. When REMOTEUSER is not forwarded, unauthenticated attackers can send a wildcar...

EUVD-2026-97659

LibreNMS before 26.9.0 contains an LDAP filter injection in ldap-authorization and ad-authorization modes because usernames are inserted unescaped into LDAP search filters and authentication only checks user existence. When REMOTEUSER is not forwarded, unauthenticated attackers can send a wildcar...

CVE-2026-109357 LibreNMS before 26.9.0 LDAP Filter Injection Authentication Bypass via Authorization Header

LibreNMS before 26.9.0 contains an LDAP filter injection in ldap-authorization and ad-authorization modes because usernames are inserted unescaped into LDAP search filters and authentication only checks user existence. When REMOTEUSER is not forwarded, unauthenticated attackers can send a wildcar...

CVE-2026-109356 LibreNMS before 26.9.0 Missing Authorization in Port Purge via PortsController

LibreNMS before 26.9.0 contains a missing authorization vulnerability in PortsController::purge that allows global-read users to physically delete ports without delete privileges. Attackers with read-only accounts can send DELETE requests to /ports/purge, using purge=all to irreversibly erase eve...

EUVD-2026-97657

LibreNMS before 26.9.0 contains a stored cross-site scripting vulnerability in getoxidizednodeslist that renders Oxidized API fields and SNMP sysName unescaped. Attackers controlling the Oxidized response or a device's SNMP sysName can inject script that executes in browsers of users viewing the...

CVE-2026-109355 LibreNMS before 26.9.0 Stored XSS via Tools Oxidized Node List

LibreNMS before 26.9.0 contains a stored cross-site scripting vulnerability in getoxidizednodeslist that renders Oxidized API fields and SNMP sysName unescaped. Attackers controlling the Oxidized response or a device's SNMP sysName can inject script that executes in browsers of users viewing the...

CVE-2026-109355

LibreNMS versions before 26.9.0 are vulnerable to a stored cross-site scripting (XSS) vulnerability within the get_oxidized_nodes_list() function. The root cause is the rendering of Oxidized API fields and SNMP sysName without proper escaping. An attacker who can control the Oxidized response or ...