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CVE-2026-65607— SiYuan before v3.7.2 Path Traversal via /export/temp/

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团队的一款文档管理与企业应用软件。 siyuan-note siyuan 3.7.2之前版本存在路径遍历漏洞，该漏洞源于/export/temp/短路径分支中路径遍历问题，未经百分比解码的原始请求路径与util.TempDir连接，且未添加IsSubPath或IsSensitivePath检查，可能导致认证攻击者发送百分比编码的遍历序列读取TempDir外任意文件，包括/etc/passwd、SSH密钥和工作空间.db和.log文件，绕过敏感文件保护。

CVSS 6.5 · Medium EPSS 0.59% · P46

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 2

VendorProduct Version RangeStatus
siyuan-note siyuan < 3.7.2 affected
3.7.2 unaffected
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I. Basic Information for CVE-2026-65607

Vulnerability Information
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Vulnerability Title
SiYuan before v3.7.2 Path Traversal via /export/temp/
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan before v3.7.2 contains a path traversal vulnerability in the /export/temp/ short-circuit branch of the serveExport handler (kernel/server/serve.go). Unlike the main export branch, this branch joins the raw, percent-decoded request path with util.TempDir and serves the file without the IsSubPath or IsSensitivePath checks added in the earlier export-disclosure hardening (GHSA-6865-qjcf-286f). An authenticated attacker can send percent-encoded traversal sequences (e.g. /export/temp/%2e%2e/.../etc/passwd, where %2e%2e is decoded to '..') to read arbitrary files outside TempDir, including /etc/passwd, SSH keys (~/.ssh/*), and SiYuan workspace *.db and *.log files, bypassing the sensitive-file protection.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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-note siyuan 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SiYuan是SiYuan团队的一款文档管理与企业应用软件。 siyuan-note siyuan 3.7.2之前版本存在路径遍历漏洞，该漏洞源于/export/temp/短路径分支中路径遍历问题，未经百分比解码的原始请求路径与util.TempDir连接，且未添加IsSubPath或IsSensitivePath检查，可能导致认证攻击者发送百分比编码的遍历序列读取TempDir外任意文件，包括/etc/passwd、SSH密钥和工作空间*.db和*.log文件，绕过敏感文件保护。
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 ~ 3.7.2 -

II. Public POCs for CVE-2026-65607

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III. Intelligence Information for CVE-2026-65607

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Patches & Fixes for CVE-2026-65607 (1)

Vendor Advisories for CVE-2026-65607 (2)

Same Patch Batch · siyuan-note · 2026-07-23 · 3 CVEs total

CVE-2026-65606 9.6 CRITICAL SiYuan before v3.7.2 Cross-Site Scripting to RCE
CVE-2026-65605 9.6 CRITICAL SiYuan before v3.7.2 Stored XSS to RCE via Attribute View

IV. Related Vulnerabilities

Same product: siyuan
Same vendor: siyuan-note
Same weakness: CWE-22

V. Comments for CVE-2026-65607

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