CVE-2026-33669— SiYuan has Arbitrary Document Reading within the Publishing Service
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I. Basic Information for CVE-2026-33669
Vulnerability Information
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Vulnerability Title
SiYuan has Arbitrary Document Reading within the Publishing Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
SiYuan is a personal knowledge management system. Prior to version 3.6.2, document IDs were retrieved via the /api/file/readDir interface, and then the /api/block/getChildBlocks interface was used to view the content of all documents. Version 3.6.2 patches the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
SiYuan 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SiYuan是SiYuan开源的一个隐私至上的个人知识管理系统。 SiYuan 3.6.2之前版本存在缓冲区错误漏洞，该漏洞源于通过/api/file/readDir接口检索文档ID，可能导致信息泄露。
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| siyuan-note | siyuan | < 3.6.2 | - |
II. Public POCs for CVE-2026-33669
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: siyuan
- CVE-2026-41894
SiYuan: Incomplete Fix Bypass for CVE-2026-30869: Path Trave - CVE-2026-41421
SiYuan Desktop Notification XSS Leads to Electron RCE - CVE-2026-40922
SiYuan: Incomplete sanitization of bazaar README allows stor - CVE-2026-40322
SiYuan: Mermaid `javascript:` Link Injection Leads to Stored - CVE-2026-40318
SiYuan: Publish Reader Path Traversal Delete via `removeUnus
Same vendor: siyuan-note
- CVE-2026-41894
SiYuan: Incomplete Fix Bypass for CVE-2026-30869: Path Trave - CVE-2026-41421
SiYuan Desktop Notification XSS Leads to Electron RCE - CVE-2026-40922
SiYuan: Incomplete sanitization of bazaar README allows stor - CVE-2026-40322
SiYuan: Mermaid `javascript:` Link Injection Leads to Stored - CVE-2026-40318
SiYuan: Publish Reader Path Traversal Delete via `removeUnus
Same weakness: CWE-125
- CVE-2026-8177
XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. Comments for CVE-2026-33669
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