---
id: CVE-2026-104410
title: >-
  SiYuan before 3.8.5 contains an information disclosure vulnerability that
  allows publish readers to read password-protected and publish-disabled
  database rows via the /api/export/preview endpoint
summary: >-
  SiYuan before 3.8.5 contains an information disclosure vulnerability that
  allows publish readers to read password-protected and publish-disabled
  database rows via the /api/export/preview endpoint. Attackers can request an
  export preview …
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-862
vendor: siyuan-note
product: siyuan
affected:
  - siyuan < 3.8.5
published: '2026-10-02'
updated: '2026-10-02'
sourceUpdated: '2026-10-02T12:17:10.640'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-104410'
references:
  - url: >-
      https://github.com/siyuan-note/siyuan/security/advisories/GHSA-778g-gq49-fxxj
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/siyuan-before-3.8.5-information-disclosure-via-api-export-preview
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-02T12:17:44.325Z'
---

## Overview

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish readers to read password-protected and publish-disabled database rows via the /api/export/preview endpoint. Attackers can request an export preview of a public document embedding a database view to obtain protected rows' primary-key text and cell values.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.