{"id":"CVE-2026-108715","title":"LibreNMS through 26.9.1.1 contains an authorization bypass vulnerability in includes/html/graphs/smokeping/auth.inc.php that checks the src probe device instead of the rendered target device","summary":"LibreNMS through 26.9.1.1 contains an authorization bypass vulnerability in includes/html/graphs/smokeping/auth.inc.php that checks the src probe device instead of the rendered target device. Restricted users permitted on a probe device …","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-639"],"published":"2026-10-11","updated":"2026-10-11","sourceUpdated":"2026-10-11T13:17:14.577","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-108715","references":[{"url":"https://github.com/librenms/librenms","label":"disclosure@vulncheck.com"},{"url":"https://github.com/librenms/librenms/blob/26.9.1.1/LibreNMS/Util/Graph.php#L190-L198","label":"disclosure@vulncheck.com"},{"url":"https://github.com/librenms/librenms/blob/26.9.1.1/includes/html/graphs/smokeping/auth.inc.php#L3-L7","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind/librenms-smokeping-graph-src-device-auth-confusion","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/librenms-through-26.9.1.1-authorization-bypass-via-smokeping-graph-auth-inc-php","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-11T13:51:17.025Z","slug":"CVE-2026-108715","body":"## Overview\n\nLibreNMS through 26.9.1.1 contains an authorization bypass vulnerability in includes/html/graphs/smokeping/auth.inc.php that checks the src probe device instead of the rendered target device. Restricted users permitted on a probe device can request smokeping_in or smokeping_out graphs with arbitrary device ids to view latency data and enumerate device names.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}