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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-73048— SiYuan before v3.7.4 Information Disclosure via getRefIDsByFileAnnotationID

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 v3.7.4之前版本存在授权问题漏洞，该漏洞源于getRefIDsByFileAnnotationID端点未进行发布访问过滤，导致攻击者可通过已发布页面中的注释标识符从受限文档中提取块标识符，造成信息泄露。

CVSS 5.8 · Medium EPSS 0.33% · P24

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
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-73048

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 getRefIDsByFileAnnotationID
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the getRefIDsByFileAnnotationID endpoint that returns block identifiers citing PDF annotations without publish-access filtering. Attackers can extract block identifiers from restricted documents by supplying annotation identifiers visible in published pages, revealing citation relationships across forbidden and password-protected tiers.
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 v3.7.4之前版本存在授权问题漏洞，该漏洞源于getRefIDsByFileAnnotationID端点未进行发布访问过滤，导致攻击者可通过已发布页面中的注释标识符从受限文档中提取块标识符，造成信息泄露。
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-2026-73048

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-73048

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-73048 (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-2026-73049 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via getAttributeViewBacklinks

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-73048

No comments yet

Leave a comment