Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-104410— SiYuan before 3.8.5 Information Disclosure via /api/export/preview

Quick assessment

Affected
siyuan-note siyuan
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

思源笔记在 3.8.5 版本之前存在一个信息泄露漏洞。攻击者可以通过调用 /api/export/preview 接口，以仅具“发布权限”的用户身份读取数据库中本应受密码保护或已禁用发布的行数据。具体而言，攻击者可以请求导出预览某个包含数据库视图的公开文档，从而获取那些受保护行数据的行主键文本及单元格内容。

CVSS 7.5 · High EPSS 0.38% · P30

Affected Version Matrix 2

VendorProduct Version RangeStatus
siyuan-note siyuan < 3.8.5 affected
3.8.5 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-104410

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
SiYuan before 3.8.5 Information Disclosure via /api/export/preview
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
siyuan-note siyuan 0 ~ 3.8.5 -

II. Public POCs for CVE-2026-104410

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-104410

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-104410 (2)

Same Patch Batch · siyuan-note · 2026-10-02 · 3 CVEs total

CVE-2026-103763 5.8 MEDIUM SiYuan before v3.8.5 Information Disclosure via /api/notebook/getNotebookInfo
CVE-2026-103762 5.3 MEDIUM SiYuan before v3.8.5 Missing Authorization in Save-Path Resolver Endpoints

IV. Related Vulnerabilities

Same product: siyuan
Same vendor: siyuan-note
Same weakness: CWE-862

V. Comments for CVE-2026-104410

No comments yet

Leave a comment