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...

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 ...

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 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 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: Improper Neutralization of Input During Web Page Generation

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...

PT-2026-110772

Name of the Vulnerable Software and Affected Versions LibreNMS versions prior to 26.9.0 Description A stored cross-site scripting issue exists in the get oxidized nodes list function. The application fails to escape Oxidized API fields and the SNMP sysName variable. An attacker who can control th...

CVE-2026-84189 LibreNMS before 26.7.0 Stored XSS via Oxidized API

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-2026-84189

LibreNMS through 26.4.0 is affected by a stored XSS in the Oxidized integration . JSON fields (name , ip , model , author , commit message ) returned by the admin-configurable oxidized.url are rendered into the device showconfig page without htmlspecialchars(). An administrator who points the Oxi...

LibreNMS: SSRF-driven stored XSS via Oxidized API response fields in device showconfig page

Summary The Oxidized integration URL oxidized.url is admin-configurable. LibreNMS fetches device info and version history from that URL and renders JSON fields name, ip, model, author, commit message into HTML without htmlspecialchars. An admin pointing the URL at an attacker-controlled server...