{"id":"CVE-2026-16792","aliases":["EUVD-2026-52885","GHSA-hqj6-mx68-28jm"],"status":"published","title":"Global TLS Certificate Validation Bypass in Lenovo XClarity Orchestrator","description":"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.","severity":{"version":"4.0","score":7,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00112,"percentile":0.01376,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2026-08-04T19:48:03Z","modified":"2026-10-24T16:10:00Z","products":[{"vendor":"lenovo","product":"xclarity orchestrator"}],"references":[{"url":"https://support.lenovo.com/my/en/solutions/ht509976-lenovo-xclarity-orchestrator","tags":["patch","product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16792"},{"url":"https://github.com/advisories/GHSA-hqj6-mx68-28jm"}],"sources":{"cve":[{"id":"CVE-2026-16792","title":"Global TLS Certificate Validation Bypass in Lenovo XClarity Orchestrator","description":"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.","status":"published","published":"2026-08-04T19:48:03.197Z","modified":"2026-08-05T14:48:58.634Z","cvss":[{"version":"4.0","score":7,"vector":"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","level":"high","assessor":"cna"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-52885","description":"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.","status":"published","published":"2026-08-04T19:48:03Z","modified":"2026-08-05T14:48:58Z","cvss":[{"version":"4.0","score":7,"vector":"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","level":"high"}],"updated_at":"2026-11-02T18:02:09.87889Z"}],"ghsa":[{"id":"GHSA-hqj6-mx68-28jm","title":"An improper certificate validation vulnerability was reported in multiple Lenovo XClarity...","description":"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.","status":"published","published":"2026-08-04T21:30:29Z","modified":"2026-08-04T21:30:37Z","cvss":[{"version":"4.0","score":7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:10:06.083807Z"}],"nvd":[{"id":"CVE-2026-16792","description":"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.","status":"published","published":"2026-08-04T20:16:49.317Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"4.0","score":7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:34.643497Z"}]}}