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CVE-2026-69084— SiYuan before v3.7.3 SQL Injection via searchEmbedBlock

Quick assessment

Affected
siyuan-note siyuan
Exploitation
Public or AI PoC available; prioritize validation
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 v3.7.2及之前版本存在SQL注入漏洞，该漏洞源于/api/search/searchEmbedBlock端点将客户端提供的SQL语句直接传递给主读写siyuan.db句柄且未设置单语句、只读或管理员限制，可能导致攻击者读取和修改所有已打开的明文笔记本内容。

CVSS 10.0 · Critical EPSS 1.57% · P74

Public Exploits 1

Nuclei · 1 CVE-2026-69084.yaml [template]

Affected Version Matrix 2

VendorProduct Version RangeStatus
siyuan-note siyuan < 3.7.3 affected
3.7.3 unaffected
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I. Basic Information for CVE-2026-69084

Vulnerability Information
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Vulnerability Title
SiYuan before v3.7.3 SQL Injection via searchEmbedBlock
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan versions <= v3.7.2 expose the /api/search/searchEmbedBlock endpoint, which passes a client-supplied SQL statement verbatim to the main read-write siyuan.db handle with no single-statement, read-only, or admin restrictions. The endpoint is gated only by CheckAuth, making it reachable by the publish RoleReader token and by anonymous users when publish authentication is disabled. Because the underlying driver executes stacked statements, an attacker can read and modify content across all opened cleartext notebooks (encrypted per-box notebooks are excluded). Fixed in v3.7.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/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团队开源的一款文档管理软件。 SiYuan v3.7.2及之前版本存在SQL注入漏洞，该漏洞源于/api/search/searchEmbedBlock端点将客户端提供的SQL语句直接传递给主读写siyuan.db句柄且未设置单语句、只读或管理员限制，可能导致攻击者读取和修改所有已打开的明文笔记本内容。
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 ~ 3.7.3 -

II. Public POCs for CVE-2026-69084

# POC Description Source Link Shenlong Link
1 SiYuan <= v3.7.2 contains a SQL injection caused by passing client-supplied SQL statements verbatim to the main read-write database handle in /api/search/searchEmbedBlock, letting attackers with publish RoleReader token or anonymous access read and modify content, exploit requires publish RoleReader token or disabled publish authentication. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-69084.yaml POC Details
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Qwen3.6-35B-A3B · 8594 chars
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III. Intelligence Information for CVE-2026-69084

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Vendor Advisories for CVE-2026-69084 (2)

Same Patch Batch · siyuan-note · 2026-08-03 · 8 CVEs total

CVE-2026-69083 10.0 CRITICAL SiYuan before v3.7.3 SQL Injection via fullTextSearchAssetContent
CVE-2026-69085 10.0 CRITICAL SiYuan before v3.7.3 SQL Injection via searchDocs
CVE-2026-68587 8.6 HIGH SiYuan before v3.7.3 Information Disclosure via getHeading*Transaction
CVE-2026-68586 8.6 HIGH SiYuan before v3.7.3 Content Disclosure via getBacklinkDoc
CVE-2026-68584 8.6 HIGH SiYuan before v3.7.3 Authentication Bypass via Content Endpoints
CVE-2026-69086 7.7 HIGH SiYuan before v3.7.3 Path Traversal via unvalidated avID
CVE-2026-68585 5.8 MEDIUM SiYuan before v3.7.3 Metadata Disclosure via getBlockInfo

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-69084

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