Vulnerability-Lookup

JVNDB-2026-029751

Vulnerability from jvndb - Published: 2026-08-24 07:31 - Updated:2026-08-24 07:31

Severity

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

Summary

Multiple vulnerabilities in Yamaha VOCALOID6 Editor

Details

VOCALOID6 Editor provided by Yamaha Corporation contains multiple vulnerabilities listed below.

Use of hard-coded credentials (CWE-798) - CVE-2026-76131
Missing authentication for critical function (CWE-306) - CVE-2026-76137

Zero (wasthatzero.net) reported these vulnerabilities to JPCERT/CC. JPCERT/CC coordinated with the developer.

References

Type

URL

	JVN	https://jvn.jp/en/vu/JVNVU90210212/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-76131
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-76137
	Missing Authentication for Critical Function(CWE-306)	https://cwe.mitre.org/data/definitions/306.html
	Use of Hard-coded Credentials(CWE-798)	https://cwe.mitre.org/data/definitions/798.html

Impacted products

Vendor

Product

Yamaha Corporation

VOCALOID6 Editor

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-029751.html",
  "dc:date": "2026-08-24T16:31+09:00",
  "dcterms:issued": "2026-08-24T16:31+09:00",
  "dcterms:modified": "2026-08-24T16:31+09:00",
  "description": "VOCALOID6 Editor provided by Yamaha Corporation contains multiple vulnerabilities listed below.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/798.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/306.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eUse of hard-coded credentials (CWE-798) - CVE-2026-76131\u003c/li\u003e\u003cli\u003eMissing authentication for critical function (CWE-306) - CVE-2026-76137\u003c/li\u003e\u003c/ul\u003eZero (wasthatzero.net) reported these vulnerabilities to JPCERT/CC.\r\nJPCERT/CC coordinated with the developer.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-029751.html",
  "sec:cpe": {
    "#text": "cpe:/a:yamaha:vocaloid6_editor",
    "@product": "VOCALOID6 Editor",
    "@vendor": "Yamaha Corporation",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "5.3",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-029751",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU90210212/index.html",
      "@id": "JVNVU#90210212",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-76131",
      "@id": "CVE-2026-76131",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-76137",
      "@id": "CVE-2026-76137",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/306.html",
      "@id": "CWE-306",
      "@title": "Missing Authentication for Critical Function(CWE-306)"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/798.html",
      "@id": "CWE-798",
      "@title": "Use of Hard-coded Credentials(CWE-798)"
    }
  ],
  "title": "Multiple vulnerabilities in Yamaha VOCALOID6 Editor"
}

CVE-2026-76131 (GCVE-0-2026-76131)

Vulnerability from cvelistv5 – Published: 2026-08-21 02:02 – Updated: 2026-08-31 00:33

Summary

Use of hard-coded credentials issue exists in VOCALOID6 , which may allow an attacker to impersonate a legitimate VOCALOID6 Editor and gain access to Yamaha's activation and content servers.

Severity

5.3 (Medium)


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

6.9 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-21 12:55 UTC

CWE

CWE-798 - Use of hard-coded credentials

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://www.vocaloid.com/en/support/download/
https://jvn.jp/en/vu/JVNVU90210212/

Impacted products

1 product

Vendor	Product	Version
Yamaha Corporation	VOCALOID6	Affected: 0 , ≤ 6.13.0 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-76131",
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                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-21T12:55:46.915117Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2026-08-21T12:55:59.639Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        "title": "CISA ADP Vulnrichment"
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    "cna": {
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          "defaultStatus": "unaffected",
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          "vendor": "Yamaha Corporation",
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
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          "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
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              "lang": "en-US",
              "value": "GENERAL"
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      "providerMetadata": {
        "dateUpdated": "2026-08-31T00:33:50.858Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.vocaloid.com/en/support/download/"
        },
        {
          "url": "https://jvn.jp/en/vu/JVNVU90210212/"
        }
      ]
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  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-76131",
    "datePublished": "2026-08-21T02:02:44.579Z",
    "dateReserved": "2026-08-20T02:19:39.628Z",
    "dateUpdated": "2026-08-31T00:33:50.858Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-76137 (GCVE-0-2026-76137)

Vulnerability from cvelistv5 – Published: 2026-08-21 02:02 – Updated: 2026-08-21 12:54

Summary

Missing authentication for critical function vulnerability exists in VOCALOID6. Any process running under the same local user account as a running VOCALOID6 Editor instance may escalate privileges via a local named pipe.

Severity

3.3 (Low)


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

4.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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 2026-08-21 12:53 UTC

CWE

CWE-306 - Missing authentication for critical function

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://www.vocaloid.com/en/support/download/
https://jvn.jp/en/vu/JVNVU90210212/

Impacted products

1 product

Vendor	Product	Version
Yamaha Corporation	VOCALOID6	Affected: 0 , ≤ 6.13.1 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-76137",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-21T12:53:44.462769Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-21T12:54:10.665Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "VOCALOID6",
          "vendor": "Yamaha Corporation",
          "versions": [
            {
              "lessThanOrEqual": "6.13.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
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        "shortName": "jpcert"
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        },
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        }
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  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
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    "dateReserved": "2026-08-20T02:19:38.781Z",
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    "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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

JVNDB-2026-029751

CVE-2026-76131 (GCVE-0-2026-76131)

CVE-2026-76137 (GCVE-0-2026-76137)

Tags

Sightings

Nomenclature

Related by attack behaviour