CVE-2026-26989 (GCVE-0-2026-26989)
Vulnerability from cvelistv5
Published
2026-02-20 01:25
Modified
2026-02-20 15:34
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 25.12.0 and below are affected by a Stored Cross-Site Scripting (XSS) vulnerability in the Alert Rules workflow. An attacker with administrative privileges can inject malicious scripts that execute in the browser context of any user who accesses the Alert Rules page. This issue has been fixed in version 26.2.0.
References
Impacted products
Vendor Product Version
librenms librenms Version: < 26.2.0
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