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CVE-2026-72791— SiYuan before v3.7.4 Information Disclosure via getAttributeViewFieldViews

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.

SiYuan是SiYuan团队开源的一款文档管理软件。 SiYuan 3.7.4之前版本存在授权问题漏洞，该漏洞源于访问控制不当，/api/av/getAttributeViewFieldViews端点仅进行CheckAuth认证而未应用发布访问过滤，导致读者角色用户可检索任意数据库的完整视图结构，包括视图名称、图标、布局类型和字段隐藏标志。

CVSS 5.8 · Medium EPSS 0.33% · P23

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 2

VendorProduct Version RangeStatus
siyuan-note siyuan < 3.7.4 affected
3.7.4 unaffected
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I. Basic Information for CVE-2026-72791

Vulnerability Information
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Vulnerability Title
SiYuan before v3.7.4 Information Disclosure via getAttributeViewFieldViews
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan v3.7.4-alpha.1 (a pre-release; the endpoint does not exist in stable v3.7.3 or earlier) contains an information disclosure vulnerability in the /api/av/getAttributeViewFieldViews endpoint. The route is registered with CheckAuth only and applies no publish-access filtering, so reader-role callers can retrieve the complete database view structure — every view's name, icon, layout type, and per-field Hidden flag — for any database whose avID is supplied, regardless of authorization. The issue was introduced by commit acfc02ee8 and fixed in v3.7.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
SiYuan 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SiYuan是SiYuan团队开源的一款文档管理软件。 SiYuan 3.7.4之前版本存在授权问题漏洞，该漏洞源于访问控制不当，/api/av/getAttributeViewFieldViews端点仅进行CheckAuth认证而未应用发布访问过滤，导致读者角色用户可检索任意数据库的完整视图结构，包括视图名称、图标、布局类型和字段隐藏标志。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
siyuan-note siyuan 0 ~ 3.7.4 -

II. Public POCs for CVE-2026-72791

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III. Intelligence Information for CVE-2026-72791

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Vendor Advisories for CVE-2026-72791 (2)

Same Patch Batch · siyuan-note · 2026-08-12 · 22 CVEs total

CVE-2026-72793 8.6 HIGH SiYuan before v3.7.4 Information Disclosure via /api/system/getConf
CVE-2026-72804 8.6 HIGH SiYuan before v3.7.4 Authentication Bypass via Graph Endpoints
CVE-2026-72789 8.6 HIGH SiYuan before v3.7.4 Authentication Bypass via Encrypted Notebooks
CVE-2026-72798 8.6 HIGH SiYuan before v3.7.4 Information Disclosure via renderAttributeView
CVE-2026-72794 8.6 HIGH siyuan before v3.7.4 Session Cookie Key Disclosure via getConf
CVE-2026-72795 8.6 HIGH SiYuan before v3.7.4 Information Disclosure via Embed Block
CVE-2026-72809 8.0 HIGH SiYuan before v3.7.4 Authentication Bypass via Localhost Trust
CVE-2026-72807 8.0 HIGH SiYuan before v3.7.4 SQL Injection via queryBlocks template
CVE-2026-72801 7.5 HIGH SiYuan before v3.7.4 Information Disclosure via Encryption Key Material
CVE-2026-72796 5.8 MEDIUM SiYuan before v3.7.4 Access Control Bypass via Static Routes
CVE-2026-72806 5.8 MEDIUM SiYuan before v3.7.4 Authentication Bypass via Attribute View
CVE-2026-72788 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via UILayout Filter
CVE-2026-72805 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via Block Endpoints
CVE-2026-72803 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via getBlockAttrs
CVE-2026-72790 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via getNotebookInfo
CVE-2026-72808 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via getFileAnnotation
CVE-2026-72797 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via getEncryptedNotebookStatus
CVE-2026-72792 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via Tag API
CVE-2026-72799 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via Path Resolution
CVE-2026-72800 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via Unfiltered API

Showing top 20 of 22 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-72791

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