Vulnerability-Lookup

WID-SEC-W-2026-2646

Vulnerability from csaf_certbund - Published: 2026-08-04 22:00 - Updated: 2026-08-04 22:00

Summary

Lenovo XClarity (OneCLI): Schwachstelle ermöglicht Manipulation von Dateien

Severity

Niedrig

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: Lenovo XClarity ist ein Verwaltungswerkzeug für Rechenzentren.

Angriff: Ein lokaler Angreifer kann eine Schwachstelle in Lenovo XClarity (OneCLI) ausnutzen, um Dateien zu manipulieren.

Betroffene Betriebssysteme: - Linux - UNIX

CVE-2026-16791

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
Lenovo XClarity Essentials OneCLI <5.6.0 Lenovo / XClarity		Essentials OneCLI <5.6.0

References

4 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://support.lenovo.com/us/en/product_security…	external
https://github.com/advisories/GHSA-FRPQ-FXQ8-73PM	external

JSON

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{
  "document": {
    "aggregate_severity": {
      "text": "niedrig"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Lenovo XClarity ist ein Verwaltungswerkzeug f\u00fcr Rechenzentren.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in Lenovo XClarity (OneCLI) ausnutzen, um Dateien zu manipulieren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-2646 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2646.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-2646 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2646"
      },
      {
        "category": "external",
        "summary": "Lenovo Security Advisory LEN-216072 vom 2026-08-04",
        "url": "https://support.lenovo.com/us/en/product_security/LEN-216072"
      },
      {
        "category": "external",
        "summary": "GitHub Advisory Database vom 2026-08-04",
        "url": "https://github.com/advisories/GHSA-FRPQ-FXQ8-73PM"
      }
    ],
    "source_lang": "en-US",
    "title": "Lenovo XClarity (OneCLI): Schwachstelle erm\u00f6glicht Manipulation von Dateien",
    "tracking": {
      "current_release_date": "2026-08-04T22:00:00.000+00:00",
      "generator": {
        "date": "2026-08-05T10:06:08.343+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-2646",
      "initial_release_date": "2026-08-04T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-08-04T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "Essentials OneCLI \u003c5.6.0",
                "product": {
                  "name": "Lenovo XClarity Essentials OneCLI \u003c5.6.0",
                  "product_id": "T057522"
                }
              },
              {
                "category": "product_version",
                "name": "Essentials OneCLI 5.6.0",
                "product": {
                  "name": "Lenovo XClarity Essentials OneCLI 5.6.0",
                  "product_id": "T057522-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:lenovo:xclarity:essentials_onecli__5.6.0"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "XClarity"
          }
        ],
        "category": "vendor",
        "name": "Lenovo"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-16791",
      "product_status": {
        "known_affected": [
          "T057522"
        ]
      },
      "release_date": "2026-08-04T22:00:00.000+00:00",
      "title": "CVE-2026-16791"
    }
  ]
}

CVE-2026-16791 (GCVE-0-2026-16791)

Vulnerability from cvelistv5 – Published: 2026-08-04 19:47 – Updated: 2026-08-05 15:08

Title

Predictable Temporary File Symlink Vulnerability in Lenovo XClarity Essentials OneCLI

Summary

A temporary file creation vulnerability in the Linux version of Lenovo XClarity Essentials OneCLI 5.5.0 and below could allow a local low-privileged attacker to overwrite or truncate arbitrary local files with program-generated data when OneCLI is executed with elevated privileges.

Severity

3.9 (Low)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

1 (Low)


                        
                          CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-05 15:06 UTC

CWE

CWE-377 - Insecure Temporary File

Assigner

lenovo

References

1 reference

URL	Tags
https://support.lenovo.com/us/en/solutions/ht116433	patchrelease-notesproduct

Impacted products

1 product

Vendor	Product	Version
Lenovo	XClarity Essentials OneCLI	Affected: 0 , < 5.6 (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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        "metrics": [
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                "id": "CVE-2026-16791",
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                "timestamp": "2026-08-05T15:06:03.491956Z",
                "version": "2.0.3"
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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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

WID-SEC-W-2026-2646

CVE-2026-16791 (GCVE-0-2026-16791)

Tags

Sightings

Nomenclature