{"id":"CVE-2026-84190","aliases":["GHSA-jf24-8g2h-2wg7"],"url":"https://o3.security/vulnerability/CVE-2026-84190","summary":"LibreNMS before 26.5.0 Remote Code Execution via AboutController","details":"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.","published":"2026-09-01T11:33:55.215Z","modified":"2026-09-02T03:47:05.830517546Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Packagist","name":"librenms/librenms","fixedVersion":"26.5.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84190.json"},{"type":"ADVISORY","url":"https://github.com/librenms/librenms/security/advisories/GHSA-jf24-8g2h-2wg7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84190"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/librenms-before-26.5.0-remote-code-execution-via-aboutcontroller"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-02T03:47:05.830517546Z"}}