CVE-2025-66850

Hallazgo Dentro de la aplicación ‘LibreNMS’, descubrimos una vulnerabilidad de Cross-Site Scripting reflejado; esta vulnerabilidad existe en el parámetro protocol del módulo de enrutamiento, permitiendo a un atacante ejecutar JavaScript malicioso en el navegador de una víctima. Esta vulnerabilida...

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...

LibreNMS <= 26.7.0 - Unauthenticated API Access

LibreNMS = 26.8.0 contains an authentication bypass caused by MySQL type coercion in the REST API token validation, letting unauthenticated attackers access protected endpoints and execute remote code via alert templates. id: CVE-2026-86426 info: name: LibreNMS = 26.7.0 - Unauthenticated API Acce...

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...

cs4239-cve-2020-15873

CVE-2020-15873 Prueba de concepto de CVE-2020-15873 - Inyección SQL ciega en Librenms librenms librenms Desarrollo Depuración de la instancia Docker de LibreNMS 1. Obtén un shell en el contenedor: $ sudo docker exec -it librenmsvuln /bin/bash...

CVE-2026-86427

LibreNMS before 26.8.0 contains an argument injection vulnerability in the graphtitle parameter that allows authenticated attackers to inject arbitrary rrdtool arguments by breaking out of double-quote escaping. Attackers can inject DEF and LINE arguments to read RRD files from unauthorized...

CVE-2026-86426

LibreNMS before 26.8.0 contains an authentication bypass vulnerability in the REST API that allows unauthenticated attackers to access protected endpoints by sending numeric values instead of string tokens. Attackers can exploit MySQL type coercion by sending small integers like 0 through 9 to...

CVE-2026-86427 LibreNMS before 26.8.0 Argument Injection via graph_title

LibreNMS before 26.8.0 contains an argument injection vulnerability in the graphtitle parameter that allows authenticated attackers to inject arbitrary rrdtool arguments by breaking out of double-quote escaping. Attackers can inject DEF and LINE arguments to read RRD files from unauthorized...

EUVD-2026-72385

LibreNMS before 26.8.0 contains an argument injection vulnerability in the graphtitle parameter that allows authenticated attackers to inject arbitrary rrdtool arguments by breaking out of double-quote escaping. Attackers can inject DEF and LINE arguments to read RRD files from unauthorized...

CVE-2026-86427

LibreNMS before 26.8.0 contains an argument injection vulnerability in the graph_title parameter . The root cause is the ability to break out of double-quote escaping, allowing authenticated attackers to inject arbitrary rrdtool arguments . This enables reading RRD files from unauthorized devices...

CVE-2026-86427 LibreNMS before 26.8.0 Argument Injection via graph_title

LibreNMS before 26.8.0 contains an argument injection vulnerability in the graphtitle parameter that allows authenticated attackers to inject arbitrary rrdtool arguments by breaking out of double-quote escaping. Attackers can inject DEF and LINE arguments to read RRD files from unauthorized...

EUVD-2026-72384

LibreNMS before 26.8.0 contains an authentication bypass vulnerability in the REST API that allows unauthenticated attackers to access protected endpoints by sending numeric values instead of string tokens. Attackers can exploit MySQL type coercion by sending small integers like 0 through 9 to...

CVE-2026-86426

LibreNMS before 26.8.0 contains an authentication bypass in its REST API caused by MySQL type coercion : unauthenticated attackers can send small integers (0–9) instead of string tokens, allowing them to match token hashes and access protected endpoints. Successful exploitation exposes device cre...

CVE-2026-86426 LibreNMS before 26.8.0 Authentication Bypass via API Token Type Confusion

LibreNMS before 26.8.0 contains an authentication bypass vulnerability in the REST API that allows unauthenticated attackers to access protected endpoints by sending numeric values instead of string tokens. Attackers can exploit MySQL type coercion by sending small integers like 0 through 9 to...

CVE-2026-86426 LibreNMS before 26.8.0 Authentication Bypass via API Token Type Confusion

LibreNMS before 26.8.0 contains an authentication bypass vulnerability in the REST API that allows unauthenticated attackers to access protected endpoints by sending numeric values instead of string tokens. Attackers can exploit MySQL type coercion by sending small integers like 0 through 9 to...

PT-2026-86792

LibreNMS before 26.8.0 contains an authentication bypass vulnerability in the REST API that allows unauthenticated attackers to access protected endpoints by sending numeric values instead of string tokens. Attackers can exploit MySQL type coercion by sending small integers like 0 through 9 to...

PT-2026-86793

LibreNMS before 26.8.0 contains an argument injection vulnerability in the graph title parameter that allows authenticated attackers to inject arbitrary rrdtool arguments by breaking out of double-quote escaping. Attackers can inject DEF and LINE arguments to read RRD files from unauthorized...

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,...

CVE-2026-84189

LibreNMS through 26.4.0 renders JSON fields name, ip, model, author, commit message returned by the admin-configurable Oxidized integration URL oxidized.url into the device showconfig page without applying htmlspecialchars. An administrator who points the Oxidized URL at an attacker-controlled...

CVE-2026-84193

LibreNMS through 26.2.0 contains a stored cross-site scripting vulnerability in legacy PHP template pages that render unescaped SNMP-sourced data fields including BGP peer descriptions, VRF names, process information, and SLA tags. Attackers with device management access or network access to enro...