CVE-2026-84190
LibreNMS before 26.5.0 Remote Code Execution via AboutController
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
LibreNMS versions before 26.5.0 contain a remote code execution vulnerability in the AboutController where the snmpget configuration parameter is passed to shell_exec() without proper validation. An authenticated administrator can modify the snmpget configuration to point to a malicious executable file and trigger code execution by accessing the /about endpoint.
| CWE | CWE-77 |
| 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:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
librenms / librenms
0 < 26.5.0
References
Credits
🔍 tCu0n9