{"id":"CVE-2026-108715","state":"PUBLISHED","title":"LibreNMS through 26.9.1.1 Authorization Bypass via Smokeping Graph auth.inc.php","description":"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 can request smokeping_in or smokeping_out graphs with arbitrary device ids to view latency data and enumerate device names.","publishedAt":"2026-10-11T12:19:27.963Z","updatedAt":"2026-10-13T13:12:38.690Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["librenms librenms"],"affected":[{"vendor":"librenms","product":"librenms","packageURL":"pkg:github/librenms/librenms","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"26.9.1.1","versionType":"custom"}],"repo":"https://github.com/librenms/librenms"}],"references":["https://hackmd.io/@haind/librenms-smokeping-graph-src-device-auth-confusion","https://github.com/librenms/librenms/blob/26.9.1.1/includes/html/graphs/smokeping/auth.inc.php#L3-L7","https://github.com/librenms/librenms/blob/26.9.1.1/LibreNMS/Util/Graph.php#L190-L198","https://github.com/librenms/librenms","https://www.vulncheck.com/advisories/librenms-through-26.9.1.1-authorization-bypass-via-smokeping-graph-auth-inc-php"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/108xxx/CVE-2026-108715.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-108715","state":"PUBLISHED","datePublished":"2026-10-11T12:19:27.963Z","dateUpdated":"2026-10-13T13:12:38.690Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-11T01:51:49.085Z"},"containers":{"cna":{"title":"LibreNMS through 26.9.1.1 Authorization Bypass via Smokeping Graph auth.inc.php","descriptions":[{"lang":"en","value":"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 can request smokeping_in or smokeping_out graphs with arbitrary device ids to view latency data and enumerate device names."}],"affected":[{"vendor":"librenms","product":"librenms","packageURL":"pkg:github/librenms/librenms","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"26.9.1.1","versionType":"custom"}],"repo":"https://github.com/librenms/librenms"}],"references":[{"url":"https://hackmd.io/@haind/librenms-smokeping-graph-src-device-auth-confusion","tags":["third-party-advisory"]},{"url":"https://github.com/librenms/librenms/blob/26.9.1.1/includes/html/graphs/smokeping/auth.inc.php#L3-L7","tags":["technical-description"]},{"url":"https://github.com/librenms/librenms/blob/26.9.1.1/LibreNMS/Util/Graph.php#L190-L198","tags":["technical-description"]},{"url":"https://github.com/librenms/librenms","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/librenms-through-26.9.1.1-authorization-bypass-via-smokeping-graph-auth-inc-php","name":"VulnCheck Advisory: LibreNMS through 26.9.1.1 Authorization Bypass via Smokeping Graph auth.inc.php","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-11T12:19:27.963Z"},"datePublic":"2026-10-10T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*","versionEndIncluding":"26.9.1.1"}]}]}],"credits":[{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-13T13:12:08.634495Z","id":"CVE-2026-108715","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-13T13:12:38.690Z"}}]}}}