Vulnerability-Lookup

JVNDB-2026-000111

Vulnerability from jvndb - Published: 2026-08-17 07:45 - Updated:2026-08-17 07:45

Severity

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

Summary

miChecker improper restriction of XML external entity references

Details

miChecker developed by Eclipse Foundation and provided by Ministry of Internal Affairs and Communications contains the following vulnerability.

Improper restriction of XML external entity reference (CWE-611) - CVE-2026-14304

Yuki Matsuhashi reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN40688603/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-14304
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

Ministry of Internal Affairs and Communications

miChecker

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000111.html",
  "dc:date": "2026-08-17T16:45+09:00",
  "dcterms:issued": "2026-08-17T16:45+09:00",
  "dcterms:modified": "2026-08-17T16:45+09:00",
  "description": "miChecker developed by Eclipse Foundation and provided by Ministry of Internal Affairs and Communications contains the following vulnerability.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/611.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://www.cve.org/CVERecord?id=CVE-2026-14304\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eImproper restriction of XML external entity reference (CWE-611) - CVE-2026-14304\u003c/li\u003e\u003c/ul\u003eYuki Matsuhashi reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000111.html",
  "sec:cpe": {
    "#text": "cpe:/a:soumu:michecker",
    "@product": "miChecker",
    "@vendor": "Ministry of Internal Affairs and Communications",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "3.3",
    "@severity": "Low",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000111",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN40688603/index.html",
      "@id": "JVN#40688603",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-14304",
      "@id": "CVE-2026-14304",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "miChecker improper restriction of XML external entity references"
}

CVE-2026-14304 (GCVE-0-2026-14304)

Vulnerability from cvelistv5 – Published: 2026-08-05 10:40 – Updated: 2026-08-05 13:03

Summary

In Eclipse Accessibility Tools Framework (ACTF) versions up to 1.6.0 (including source code versions up to v20260630 and ACTF based application miChecker versions up to 3.1.0), it has been identified that an XML External Entity (XXE) vulnerability exists. If this vulnerability is exploited, a malicious third party could gain access to local resources or internal network resources via computer running applications that use Eclipse ACTF, including miChecker.

Severity

4.6 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/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 2026-08-05 13:03 UTC

CWE

CWE-611

Assigner

eclipse mitre root

References

4 references

URL	Tags
https://eclipse.dev/actf/downloads/tools/miChecke…
https://www.soumu.go.jp/info-accessibility-portal…
https://github.com/eclipse-actf/org.eclipse.actf
https://gitlab.eclipse.org/security/cve-assignmen…

Impacted products

1 product

Vendor	Product	Version
Eclipse Foundation	Eclipse Accessibility Tools Framework (ACTF)	Affected: 0.5.0 , ≤ 1.6.0 (semver) Affected: 0 , ≤ v20260630 (git)

Credits

This vulnerability was reported to IPA by Mr. Yuki Matsuhashi under the Information Security Early Warning Partnership framework. JPCERT/CC coordinated with the application provider and developer. We would like to express our sincere appreciation to Mr. Yuki Matsuhashi and all parties involved for their cooperation.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-14304",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-05T13:03:48.752239Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-05T13:03:57.843Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
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    "cna": {
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              "versionType": "git"
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          "value": "This vulnerability was reported to IPA by Mr. Yuki Matsuhashi under the Information Security Early Warning Partnership framework. JPCERT/CC coordinated with the application provider and developer. We would like to express our sincere appreciation to Mr. Yuki Matsuhashi and all parties involved for their cooperation."
        }
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            }
          ],
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      ],
      "impacts": [
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      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 4.6,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
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            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "scenarios": [
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      "providerMetadata": {
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        "orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
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      "references": [
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          "url": "https://eclipse.dev/actf/downloads/tools/miChecker/vulnerability.html"
        },
        {
          "url": "https://www.soumu.go.jp/info-accessibility-portal/webaccessibility/michecker/"
        },
        {
          "url": "https://github.com/eclipse-actf/org.eclipse.actf"
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        {
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    "dateReserved": "2026-07-01T11:01:17.444Z",
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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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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JVNDB-2026-000111

CVE-2026-14304 (GCVE-0-2026-14304)

Tags

Sightings

Nomenclature

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