Vulnerability-Lookup

JVNDB-2026-031532

Vulnerability from jvndb - Published: 2026-09-03 06:31 - Updated:2026-10-08 05:03

Severity

5.5 (Medium) - cvssV3_0 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Summary

Multiple Keyence products vulnerable to improper restriction of XML external entity reference

Details

XG VisionTerminal, XG-X VisionTerminal, LJ Series Terminal-Software and WI Series Terminal-Software provided by Keyence Corporation contain the following vulnerability.

Improper restriction of XML external entity reference (CWE-611) - CVE-2026-82918

Michael Heinzl reported these vulnerabilities to JPCERT/CC. JPCERT/CC coordinated with the developer.

References

Type

URL

	JVN	https://jvn.jp/en/vu/JVNVU98062224/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-82918
	Improper Restriction of XML External Entity Reference(CWE-611)	https://cwe.mitre.org/data/definitions/611.html

Impacted products

Vendor

Product

	KEYENCE CORPORATION.	LJ Series Terminal-Software
	KEYENCE CORPORATION.	WI Series Terminal-Software
	KEYENCE CORPORATION.	XG-X VisionTerminal
	KEYENCE CORPORATION.	XG VisionTerminal

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-031532.html",
  "dc:date": "2026-10-08T14:03+09:00",
  "dcterms:issued": "2026-09-03T15:31+09:00",
  "dcterms:modified": "2026-10-08T14:03+09:00",
  "description": "XG VisionTerminal, XG-X VisionTerminal, LJ Series Terminal-Software and WI Series Terminal-Software provided by Keyence Corporation contain the following vulnerability.\u003ca href=\u0027http://cwe.mitre.org/data/definitions/611.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eImproper restriction of XML external entity reference (CWE-611) - CVE-2026-82918\u003c/li\u003e\u003c/ul\u003eMichael Heinzl reported these vulnerabilities to JPCERT/CC.\r\nJPCERT/CC coordinated with the developer.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-031532.html",
  "sec:cpe": [
    {
      "#text": "cpe:/a:keyence:lj_series_terminal-software",
      "@product": "LJ Series Terminal-Software",
      "@vendor": "KEYENCE CORPORATION.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:keyence:wi_series_terminal-software",
      "@product": "WI Series Terminal-Software",
      "@vendor": "KEYENCE CORPORATION.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:keyence:xg-x_visionterminal",
      "@product": "XG-X VisionTerminal",
      "@vendor": "KEYENCE CORPORATION.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:keyence:xg_visionterminal",
      "@product": "XG VisionTerminal",
      "@vendor": "KEYENCE CORPORATION.",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "5.5",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-031532",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU98062224/index.html",
      "@id": "JVNVU#98062224",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82918",
      "@id": "CVE-2026-82918",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/611.html",
      "@id": "CWE-611",
      "@title": "Improper Restriction of XML External Entity Reference(CWE-611)"
    }
  ],
  "title": "Multiple Keyence products vulnerable to improper restriction of XML external entity reference"
}

CVE-2026-82918 (GCVE-0-2026-82918)

Vulnerability from cvelistv5 – Published: 2026-09-03 12:49 – Updated: 2026-09-15 11:32

Summary

XG VisionTerminal and XG-X VisionTerminal provided by Keyence Corporation improperly restrict XML external entity references. If a user opens a specially crafted setting file, the sensitive information stored in the system where XG VisionTerminal or XG-X VisionTerminal is installed may be disclosed.

Severity

5.5 (Medium)


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

6.7 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-03 13:11 UTC

CWE

CWE-611 - Improper restriction of XML external entity reference

Assigner

jpcert CNA under the jpcert root

CNA scorecard C 64/100 over 188 records in the last 180 days details

References

2 references

URL	Tags
https://www.keyence.com/mi26082104
https://jvn.jp/en/vu/JVNVU98062224/index.html

Impacted products

2 products

Vendor	Product	Version
Keyence Corporation	XG-X VisionTerminal	Affected: 0 , ≤ Ver.3.6.0000 (semver)
Keyence Corporation	XG VisionTerminal	Affected: 0 , ≤ Ver.5.5.0010 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-82918",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-03T13:11:45.012649Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-03T13:11:52.074Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "XG-X VisionTerminal",
          "vendor": "Keyence Corporation",
          "versions": [
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              "lessThanOrEqual": "Ver.3.6.0000",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "XG VisionTerminal and XG-X VisionTerminal provided by Keyence Corporation improperly restrict XML external entity references. If a user opens a specially crafted setting file, the sensitive information stored in the system where XG VisionTerminal or XG-X VisionTerminal is installed may be disclosed."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
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          },
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          "scenarios": [
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            "baseSeverity": "MEDIUM",
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            "version": "4.0"
          },
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      "providerMetadata": {
        "dateUpdated": "2026-09-15T11:32:05.573Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
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      },
      "references": [
        {
          "url": "https://www.keyence.com/mi26082104"
        },
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  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
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    "datePublished": "2026-09-03T12:49:03.335Z",
    "dateReserved": "2026-08-31T11:06:31.707Z",
    "dateUpdated": "2026-09-15T11:32:05.573Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

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.
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JVNDB-2026-031532

CVE-2026-82918 (GCVE-0-2026-82918)

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