CVE-2026-16792: Global TLS Certificate Validation Bypass in Lenovo XClarity Orchestrator
Vulnerability summary
CVE-2026-16792 is a high (CVSS 7.0) Improper Certificate Validation vulnerability in lenovo xclarity_orchestrator. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.3% of scored vulnerabilities.
Timeline
- 04-08-2026PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 2 sources · 2 versions- NVDNIST7.0HighCVSS: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
- NVDNIST6.1MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS trend
Probability
0.11%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
Increase +0.04 pp
From 0.07% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Lenovo1 product
- xclarity_orchestrator≤ 2.2.0
1 vendor · 1 product