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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-73049— SiYuan before v3.7.4 Information Disclosure via getAttributeViewBacklinks

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getAttributeViewBacklinks端点过滤回链时查询禁止访问列表而非可见性列表，可能导致匿名读者利用公开可见的数据库行标识符发现引用它的隐藏层级文档，并获取隐藏文档的数据库名称、行标题和文档路径。

CVSS 5.8 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 2

VendorProduct Version RangeStatus
siyuan-note siyuan < 3.7.4 affected
3.7.4 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-73049

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 v3.7.4 Information Disclosure via getAttributeViewBacklinks
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the getAttributeViewBacklinks endpoint that consults the forbidden access list instead of the visibility list when filtering backlinks. Anonymous readers can supply a publicly visible database row identifier to discover hidden-tier documents that reference it, receiving the database name, row title, and document path of hidden documents.
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
授权机制不正确
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getAttributeViewBacklinks端点过滤回链时查询禁止访问列表而非可见性列表，可能导致匿名读者利用公开可见的数据库行标识符发现引用它的隐藏层级文档，并获取隐藏文档的数据库名称、行标题和文档路径。
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-2026-73049

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-73049

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-73049 (2)

Same Patch Batch · siyuan-note · 2026-08-14 · 6 CVEs total

CVE-2026-72811 10.0 CRITICAL SiYuan before v3.7.4 SQL Injection via backlink search
CVE-2026-72810 8.6 HIGH SiYuan before v3.7.4 Publish-Boundary Bypass via WebSocket
CVE-2026-72812 6.5 MEDIUM SiYuan before v3.7.4 Missing Authorization via refreshBacklink
CVE-2026-73630 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via authFilePublishAccess
CVE-2026-73048 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via getRefIDsByFileAnnotationID

IV. Related Vulnerabilities

Same product: siyuan
Same vendor: siyuan-note
Same weakness: CWE-863

V. Comments for CVE-2026-73049

No comments yet

Leave a comment