CVE-2023-48294

LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware and operating systems. In affected versions of LibreNMS when a user accesses their device dashboard, one request is sent to `graph.php` to access graphs generated on the particular Device. This request can be accessed by a low privilege user and they can enumerate devices on librenms with their id or hostname. Leveraging this vulnerability a low privilege user can see all devices registered by admin users. This vulnerability has been addressed in commit `489978a923` which has been included in release version 23.11.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

• CWE-200

• https://github.com/librenms/librenms/blob/fa93034edd40c130c2ff00667ca2498d84be6e69/html/graph.php#L19C1-L25C2Product
• https://github.com/librenms/librenms/commit/489978a923ed52aa243d3419889ca298a8a6a7cfPatch
• https://github.com/librenms/librenms/security/advisories/GHSA-fpq5-4vwm-78x4Exploit, Vendor Advisory
• https://github.com/librenms/librenms/blob/fa93034edd40c130c2ff00667ca2498d84be6e69/html/graph.php#L19C1-L25C2Product
• https://github.com/librenms/librenms/commit/489978a923ed52aa243d3419889ca298a8a6a7cfPatch
• https://github.com/librenms/librenms/security/advisories/GHSA-fpq5-4vwm-78x4Exploit, Vendor Advisory

Published

Nov 17, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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