CVE-2026-26989

LibreNMS contains a Stored XSS in the Alert Rules workflow in versions 25.12.0 and earlier, due to vulnerable code in alert_rule_list.inc.php. The underlying issue is that admin users can inject scripts that execute in other users’ browsers when viewing the Alert Rules page. Impact is limited to ...

CVE-2025-62411

LibreNMS is a community-based GPL-licensed network monitoring system. LibreNMS = 25.8.0 contains a Stored Cross-Site Scripting XSS vulnerability in the Alert Transports management functionality. When an administrator creates a new Alert Transport, the value of the Transport name field is stored a...

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 via the Transport name field, which is stored and later rendered in the Transports column of...

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 via the alert rule name field in the Alerts Alert Rules page. An attacker can execute...

CVE-2025-62411 Stored XSS in Alert Transport name field in LibreNMS

LibreNMS is a community-based GPL-licensed network monitoring system. LibreNMS = 25.8.0 contains a Stored Cross-Site Scripting XSS vulnerability in the Alert Transports management functionality. When an administrator creates a new Alert Transport, the value of the Transport name field is stored a...