EUVD-2026-69026

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...

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...

GHSA-7GWW-X7FH-JF9J 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...

CVE-2026-2728

LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig page. Successful exploitation requires administrative privileges. Exploitation could result in XSS attacks being performed against other users with access to the page...

GHSA-5GM9-622F-QCG5 LibreNMS: Cross-Site Scripting in ShowConfigController

Summary A Stored Cross-Site Scripting XSS vulnerability exists in the ShowConfig page of devices affected by the RANCID Integration settings. The application fails to properly sanitise the rancidrepourl configuration value. When a user navigates to a device's configuration page, this unsanitised...

EUVD-2026-21907

LibreNMS: Cross-Site Scripting in ShowConfigController...

LibreNMS: Cross-Site Scripting In ShowConfigController

Summary A Stored Cross-Site Scripting XSS vulnerability exists in the ShowConfig page of devices affected by the RANCID Integration settings. The application fails to properly sanitise the "rancidrepourl" configuration value. When a user navigates to a device's configuration page, this unsanitise...

Duplicate Advisory: LibreNMS affected by an authenticated Cross-site Scripting vulnerability on the showconfig page

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-5gm9-622f-qcg5. This link is maintained to preserve external references. Original Description LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig...

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 in the showconfig page when administrative privileges are present. An attacker can execute...

CVE-2026-2728

LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig page. Successful exploitation requires administrative privileges. Exploitation could result in XSS attacks being performed against other users with access to the page...

CVE-2026-2728

LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig page. Successful exploitation requires administrative privileges. Exploitation could result in XSS attacks being performed against other users with access to the page...

CVE-2026-2728

LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig page. Successful exploitation requires administrative privileges. Exploitation could result in XSS attacks being performed against other users with access to the page...

CVE-2026-2728

CVE-2026-2728 affects LibreNMS before 26.3.0. The issue is an authenticated Cross-site Scripting (XSS) vulnerability on the showconfig page, exploitable by users with administrative privileges. Successful exploitation could trigger XSS attacks against other users with access to the page. CVSS met...

PT-2026-32330

Name of the Vulnerable Software and Affected Versions LibreNMS versions prior to 26.3.0 Description An authenticated Cross-site Scripting issue exists on the 'showconfig' page. An attacker with administrative privileges can execute scripts that target other users who access the same page...

LibreNMS 安全漏洞

LibreNMS is an open-source network monitoring system developed by the LibreNMS community, based on PHP and MySQL. This system features custom alerts, automatic discovery of networks, and automatic updates. Versions of LibreNMS prior to 26.3.0 contained security vulnerabilities; these...