{"id":"CVE-2026-84190","revision":"2447a124e974471689f0775bae462960","records":[{"revision":"2447a124e974471689f0775bae462960","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-84190","aliases":[],"title":"LibreNMS before 26.5.0 Remote Code Execution via AboutController","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.","state":0,"publishedAt":"2026-09-01T11:33:55.215+00:00","modifiedAt":"2026-10-08T15:25:43.401+00:00","affected":[{"ecosystem":"Vendor product","name":"librenms","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"librenms\",\n                    \"product\": \"librenms\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"26.5.0\"\n                        },\n                        {\n                            \"version\": \"26.5.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:composer/librenms/librenms\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2,"severity":"HIGH"}],"references":["https://github.com/librenms/librenms/security/advisories/GHSA-jf24-8g2h-2wg7","https://www.vulncheck.com/advisories/librenms-before-26.5.0-remote-code-execution-via-aboutcontroller"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-84190","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-84190","identifiers":["CVE-2026-84190"]},"retained":false,"historicalAffected":[]}],"coverage":[]}