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CVE-2026-59834— SiYuan: SQL Query in Block Search Exposes Hidden Published Document Content

CVSS 7.5 · High EPSS 0.38% · P31

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
siyuan-notesiyuan< 3.7.1affected
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I. Basic Information for CVE-2026-59834

Vulnerability Information
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Vulnerability Title
SiYuan: SQL Query in Block Search Exposes Hidden Published Document Content
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, the block search endpoint POST /api/search/fullTextSearchBlock concatenates attacker-controlled paths values into SQL predicates used by non-SQL search modes, allowing an unauthenticated publish visitor to inject a UNION SELECT and return rows from hidden documents by projecting an allowed visible box and path. This issue is fixed in versions 3.7.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
SiYuan SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SiYuan是SiYuan团队开源的一个个人知识管理系统。 SiYuan 3.7.1之前版本存在SQL注入漏洞，该漏洞源于POST /api/search/fullTextSearchBlock端点将攻击者控制的paths值拼接到SQL谓词中，可能导致未经身份验证的发布访客注入UNION SELECT并返回隐藏文档中的行。
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

VendorProductAffected VersionsCPESubscribe
siyuan-notesiyuan < 3.7.1 -

II. Public POCs for CVE-2026-59834

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 6577 chars
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III. Intelligence Information for CVE-2026-59834

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Patches & Fixes for CVE-2026-59834 (2)

Vendor Advisories for CVE-2026-59834 (1)

Vendor Pages for CVE-2026-59834 (1)

Same Patch Batch · siyuan-note · 2026-07-09 · 6 CVEs total

CVE-2026-598327.7 HIGHSiYuan: Authenticated path traversal in /snippets/ static handler (serveSnippets) leaks co
CVE-2026-598536.5 MEDIUMSiYuan: Publish-mode Reader can exfiltrate private saved-search Criteria via /api/storage/
CVE-2026-598544.9 MEDIUMSiYuan: Incomplete IsSensitivePath denylist: globalCopyFiles reads home-dir credential dot
CVE-2026-59833SiYuan: Stored XSS to RCE in SiYuan via a per-attribute URL-scheme sanitizer gap in Lute (
CVE-2026-59855SiYuan: Store XSS To Rce via Asset.render

IV. Related Vulnerabilities

Same product: siyuan
Same vendor: siyuan-note
Same weakness: CWE-89

V. Comments for CVE-2026-59834

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