Vulnerability-Lookup

CVE-2026-16792 (GCVE-0-2026-16792)

Vulnerability from cvelistv5 – Published: 2026-08-04 19:48 – Updated: 2026-08-05 14:48

Title

Global TLS Certificate Validation Bypass in Lenovo XClarity Orchestrator

Summary

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

6.1 (Medium)


                        
                          CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

7 (High)


                        
                          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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-295 - Improper certificate validation

Assigner

lenovo

References

1 reference

URL	Tags
https://support.lenovo.com/my/en/solutions/ht5099…	patchproduct

Impacted products

1 product

Vendor	Product	Version
Lenovo	XClarity Orchestrator	Affected: 0 , ≤ 2.2.0 (custom)

Date Public

2026-08-04 13:00

Credits

Lenovo thanks Christopher Lusk of North Echo Security Research for reporting this vulnerability.

Show details on NVD website

JSON

To clipboard

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GHSA-HQJ6-MX68-28JM

Vulnerability from github – Published: 2026-08-04 21:30 – Updated: 2026-08-04 21:30

Details

Severity

6.1 (Medium)


                  
                    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

7.0 (High)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-16792"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-04T20:16:49Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-hqj6-mx68-28jm",
  "modified": "2026-08-04T21:30:29Z",
  "published": "2026-08-04T21:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16792"
    },
    {
      "type": "WEB",
      "url": "https://support.lenovo.com/my/en/solutions/ht509976-lenovo-xclarity-orchestrator"
    }
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  "schema_version": "1.4.0",
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      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-16792 (GCVE-0-2026-16792)

GHSA-HQJ6-MX68-28JM

Tags

Sightings

Nomenclature