CVE-2026-84188
librenms before 26.7.0 Stored XSS via graph_descr settings
CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th
LibreNMS versions <= 26.4.0 contain a stored cross-site scripting vulnerability in the graph_descr.<graphtype> configuration settings, which are echoed verbatim without HTML escaping in includes/html/pages/graphs.inc.php. An administrator can store a malicious HTML payload that executes in the browser of any authenticated user who views the affected graph type. The issue is fixed in version 26.7.0.
| CWE | CWE-79 |
| Vendor | librenms |
| Product | librenms |
| Published | Sep 1, 2026 |
| Last Updated | Oct 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
librenms / librenms
0 < 26.7.0
References
Credits
🔍 k1bana