CVE-2026-16792

Global TLS Certificate Validation Bypass in Lenovo XClarity Orchestrator

Published Aug 4, 2026 CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Update Lenovo XClarity Orchestrator to the version indicated in the advisory or higher - https://support.lenovo.com/us/en/solutions/ht116433

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Global TLS Certificate Validation Bypass in Lenovo XClarity Orchestrator
First Time appeared Lenovo
Lenovo xclarity Orchestrator
Weaknesses CWE-295
CPEs cpe:2.3:a:lenovo:xclarity_orchestrator:*:*:x86:*:*:*:*:*
Vendors & Products Lenovo
Lenovo xclarity Orchestrator
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N'}

cvssV4_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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
lenovo
Published
Updated
Aug 5, 2026, 2:48 PM
Reserved
Jul 23, 2026, 6:03 PM
Status
Awaiting Analysis
Published
Aug 4, 2026, 8:16 PM
Modified
Oct 24, 2026, 4:10 PM