{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16792","assignerOrgId":"da227ddf-6e25-4b41-b023-0f976dcaca4b","state":"PUBLISHED","assignerShortName":"lenovo","dateReserved":"2026-07-23T18:03:48.528Z","datePublished":"2026-08-04T19:48:03.197Z","dateUpdated":"2026-08-05T14:48:58.634Z"},"containers":{"cna":{"providerMetadata":{"orgId":"da227ddf-6e25-4b41-b023-0f976dcaca4b","shortName":"lenovo","dateUpdated":"2026-08-04T19:48:03.197Z"},"title":"Global TLS Certificate Validation Bypass in Lenovo XClarity Orchestrator","datePublic":"2026-08-04T13:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-295","description":"CWE-295 Improper certificate validation","type":"CWE"}]}],"affected":[{"vendor":"Lenovo","product":"XClarity Orchestrator","platforms":["x86"],"versions":[{"status":"affected","version":"0","lessThanOrEqual":"2.2.0","versionType":"custom"}],"defaultStatus":"unaffected"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:lenovo:xclarity_orchestrator:*:*:x86:*:*:*:*:*","versionStartIncluding":"0","versionEndIncluding":"2.2.0"}]}]}],"descriptions":[{"lang":"en","value":"An improper certificate validation vulnerability was reported in multiple Lenovo XClarity Orchestrator (LXCO) 2.2.0 microservices that could allow an adjacent network attacker to intercept sensitive communications by performing a machine-in-the-middle attack against HTTPS connections during TLS certificate validation under certain circumstances.","supportingMedia":[{"type":"text/html","base64":false,"value":"An improper certificate validation vulnerability was reported in multiple Lenovo XClarity Orchestrator (LXCO) 2.2.0 microservices that could allow an adjacent network attacker to intercept sensitive communications by performing a machine-in-the-middle attack against HTTPS connections during TLS certificate validation under certain circumstances."}]}],"references":[{"url":"https://support.lenovo.com/my/en/solutions/ht509976-lenovo-xclarity-orchestrator","tags":["patch","product"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.1,"vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N"}}],"solutions":[{"lang":"en","value":"Update\nLenovo XClarity Orchestrator to the version indicated in the advisory or higher - https://support.lenovo.com/us/en/solutions/ht116433","supportingMedia":[{"type":"text/html","base64":false,"value":"Update\nLenovo XClarity Orchestrator&nbsp;to the version indicated in the advisory or higher -&nbsp;https://support.lenovo.com/us/en/solutions/ht116433"}]}],"credits":[{"lang":"en","value":"Lenovo thanks Christopher Lusk of North Echo Security Research for reporting this vulnerability.","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.0-beta"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T14:48:52.491008Z","id":"CVE-2026-16792","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-05T14:48:58.634Z"}}]}}