---
id: "CVE-2026-104679"
kind: "vulnerability"
aliases: ["CVE-2026-104679"]
title: "VOCALOID6 Editor: XML external entities let a crafted project leak data"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "VOCALOID6 Editor", "fixed": ["6.13.3"], "affected": "<= 6.13.2", "ecosystem": "vendor"}]
ecosystems: []
tags: ["desktop", "mac", "other", "user-interaction", "vocaloid6-editor", "windows", "xxe"]
not_affected_if: ["no-untrusted-project-files", "patched-6.13.3"]
published_at: "2026-10-19T09:17:06+00:00"
first_seen_at: "2026-10-23T21:57:17+00:00"
updated_at: "2026-10-25T03:42:28+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-104679", "first_seen_at": "2026-10-23T21:57:17+00:00"}, {"source": "analyst", "url": null, "first_seen_at": "2026-10-25T03:42:28+00:00"}]
---

# VOCALOID6 Editor: XML external entities let a crafted project leak data

VOCALOID6 Editor from Yamaha does not restrict XML external entity references. Opening a specially crafted project file can make the product open unintended connections, leaking sensitive data from the machine or causing a denial of service.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:VOCALOID6 Editor affected <= 6.13.2 fixed 6.13.3

## How to check

Open VOCALOID6 Editor, check About/version: 6.13.2 or earlier is affected; 6.13.3+ is fixed.

## Fix

Update VOCALOID6 Editor to 6.13.3 or later (Yamaha updater; update Editor before voicebanks).

## Timeline

- 2026-10-23T21:57:17+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-104679
- 2026-10-25T03:42:28+00:00 analyst — JVN (JVNVU#93520490) and CVE record: affected <= 6.13.2; Yamaha 6.13.3 (2026-09-17) fixes .vsqx loading vuln; vendor page does not name the CVE, link via JVN. No exploitation or PoC seen; no social search done (local-file, user-interaction bug).

## Documents

- [advisory] JVNVU#93520490 Yamaha VOCALOID6 Editor XXE https://jvn.jp/en/vu/JVNVU93520490/
- [fix] VOCALOID6 Editor Updater Ver.6.13.3 Release (Yamaha) https://www.vocaloid.com/en/news/support_64/

## From the sources

VOCALOID6 Editor provided by Yamaha Corporation improperly restricts XML external entity references. Loading a specially crafted project file may the product to initiate unintended communication, potentially leading to the leak of sensitive information from the device where the product is installed or resulting in a denial-of-service (DoS) condition.

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