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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-73605— SiYuan before v3.7.4 Path Traversal via getUniqueFilename

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getUniqueFilename端点存在路径遍历问题，允许匿名读者在未经验证或限制的情况下探测文件系统存在性，攻击者可提供任意绝对路径判断主机上文件和目录是否存在，导致文件系统布局和已安装软件信息泄露。

CVSS 5.8 · Medium EPSS 0.33% · P23

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-2026-73605

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 Path Traversal via getUniqueFilename
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan versions before v3.7.4 contain a path traversal vulnerability in the getUniqueFilename endpoint that allows anonymous readers to probe filesystem existence without validation or confinement. Attackers can supply arbitrary absolute paths to determine whether files and directories exist on the host, enabling reconnaissance of the filesystem layout and installed software.
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 3.7.4之前版本存在授权问题漏洞，该漏洞源于getUniqueFilename端点存在路径遍历问题，允许匿名读者在未经验证或限制的情况下探测文件系统存在性，攻击者可提供任意绝对路径判断主机上文件和目录是否存在，导致文件系统布局和已安装软件信息泄露。
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-2026-73605

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-73605

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-73605 (2)

Same Patch Batch · siyuan-note · 2026-08-13 · 6 CVEs total

CVE-2026-73608 8.6 HIGH SiYuan before v3.7.4 Authorization Bypass via getAttributeViewSearchTarget
CVE-2026-73606 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via getRefIDs
CVE-2026-73610 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via Local Storage
CVE-2026-73607 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via getOutlineStorage
CVE-2026-73609 5.8 MEDIUM SiYuan before v3.7.4 Information Disclosure via getBookmarkLabels

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-73605

No comments yet

Leave a comment