CVE-2026-84190
CVSS v3
7.2
HIGH
EPSS Score
0.9 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2026-09-01
- Last Modified
- 2026-09-01
Frequently asked questions
What is CVE-2026-84190?
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.
Is CVE-2026-84190 actively exploited?
Active exploitation of CVE-2026-84190 has not been confirmed. Its EPSS score was 0.9% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-84190?
CVE-2026-84190 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2026-84190 affecting your environment?
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