CVE-2026-33670— SiYuan has directory traversal within its publishing service
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之前版本存在路径遍历漏洞，该漏洞源于/api/file/readDir接口存在路径遍历，可能导致检索文档文件名。
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I. Basic Information for CVE-2026-33670
Vulnerability Information
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Vulnerability Title
SiYuan has directory traversal within its publishing service
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan is a personal knowledge management system. Prior to version 3.6.2, the /api/file/readDir interface was used to traverse and retrieve the file names of all documents under a notebook. Version 3.6.2 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
SiYuan 路径遍历漏洞
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之前版本存在路径遍历漏洞，该漏洞源于/api/file/readDir接口存在路径遍历，可能导致检索文档文件名。
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| siyuan-note | siyuan | < 3.6.2 | - |
|
II. Public POCs for CVE-2026-33670
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-33670 (1)
IV. Related Vulnerabilities
Same product: siyuan
-
CVE-2026-109310
SiYuan v3.1.12 before v3.8.6 Denial of Service via getDynami -
CVE-2026-109309
SiYuan v3.7.0 before v3.8.6 Arbitrary File Read via Plugin R -
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
Same vendor: siyuan-note
-
CVE-2026-109310
SiYuan v3.1.12 before v3.8.6 Denial of Service via getDynami -
CVE-2026-109309
SiYuan v3.7.0 before v3.8.6 Arbitrary File Read via Plugin R -
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-2026-103763
SiYuan before v3.8.5 Information Disclosure via /api/noteboo
Same weakness: CWE-22
-
CVE-2026-111635
Helical Insight through 7.0.0 Path Traversal via /getExterna -
CVE-2026-111618
CoAI through 4.0.0 Unauthenticated Path Traversal via Archiv -
CVE-2026-41582
countly-server: Unauthenticated Path Traversal via Public Im -
CVE-2026-42269
countly-server: Path Traversal in delete_import Endpoint All -
CVE-2026-107777
Thermo Fisher Torrent Suite Software Path Traversal
V. Comments for CVE-2026-33670
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