CVE-2026-72789— SiYuan before v3.7.4 Authentication Bypass via Encrypted Notebooks
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，该漏洞源于未能正确验证加密笔记本的发布访问权限，默认将其视为公开可访问，可能导致匿名读者通过发布API枚举并检索已解锁加密笔记本的完全解密文档内容，无需认证或密钥材料。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local SystemAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 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-2026-72789
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 Authentication Bypass via Encrypted Notebooks
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan before v3.7.4 fails to properly validate publish access for encrypted notebooks, treating them as publicly accessible by default. Anonymous readers can enumerate and retrieve fully decrypted document content from unlocked encrypted notebooks through the publish API without authentication or key material.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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
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，该漏洞源于未能正确验证加密笔记本的发布访问权限，默认将其视为公开可访问，可能导致匿名读者通过发布API枚举并检索已解锁加密笔记本的完全解密文档内容，无需认证或密钥材料。
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-2026-72789
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-72789
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-72789 (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-2026-72798 | 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-2026-72791 | 5.8 MEDIUM | SiYuan before v3.7.4 Information Disclosure via getAttributeViewFieldViews |
| 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 → →
IV. Related Vulnerabilities
Same product: siyuan
-
CVE-2026-105205
SiYuan before 3.8.5 Information Disclosure via /api/block/ge -
CVE-2026-104410
SiYuan before 3.8.5 Information Disclosure via /api/export/p -
CVE-2026-103762
SiYuan before v3.8.5 Missing Authorization in Save-Path Reso -
CVE-2026-103763
SiYuan before v3.8.5 Information Disclosure via /api/noteboo -
CVE-2026-101092
SiYuan before v3.8.4 Information Disclosure via getCurrentAt
Same vendor: siyuan-note
-
CVE-2026-105205
SiYuan before 3.8.5 Information Disclosure via /api/block/ge -
CVE-2026-104410
SiYuan before 3.8.5 Information Disclosure via /api/export/p -
CVE-2026-103762
SiYuan before v3.8.5 Missing Authorization in Save-Path Reso -
CVE-2026-103763
SiYuan before v3.8.5 Information Disclosure via /api/noteboo -
CVE-2026-101092
SiYuan before v3.8.4 Information Disclosure via getCurrentAt
Same weakness: CWE-862
-
CVE-2026-39783
WordPress Polylang plugin <= 3.8.7 - Sensitive Data Exposure -
CVE-2026-103684
WordPress WP Event Solution plugin <= 4.1.25 - Broken Access -
CVE-2026-94669
WordPress Fluent Forms Pro Add On Pack plugin <= 6.2.13 - Br -
CVE-2026-39763
WordPress WP Dummy Content Generator plugin <= 4.0.0 - Broke -
CVE-2026-39721
WordPress Starter Templates plugin <= 4.7.7 - Broken Access
V. Comments for CVE-2026-72789
No comments yet