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CVE-2026-69083— SiYuan before v3.7.3 SQL Injection via fullTextSearchAssetContent

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 3.7.3之前版本存在SQL注入漏洞，该漏洞源于fullTextSearchAssetContent端点存在SQL注入漏洞，攻击者可通过未转义的方法参数和REGEXP子句对读写asset-content数据库执行任意SQL，从而读取、修改或删除跨笔记本数据。

CVSS 10.0 · Critical EPSS 0.47% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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-2026-69083

Vulnerability Information
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Vulnerability Title
SiYuan before v3.7.3 SQL Injection via fullTextSearchAssetContent
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan versions before v3.7.3 contain SQL injection vulnerabilities in the fullTextSearchAssetContent endpoint reachable by unauthenticated users and publish RoleReader tokens. Attackers can execute arbitrary SQL on the read-write asset-content database via unescaped method parameters and REGEXP clauses to read, modify, or delete cross-notebook data.
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 3.7.3之前版本存在SQL注入漏洞，该漏洞源于fullTextSearchAssetContent端点存在SQL注入漏洞，攻击者可通过未转义的方法参数和REGEXP子句对读写asset-content数据库执行任意SQL，从而读取、修改或删除跨笔记本数据。
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-2026-69083

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8723 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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III. Intelligence Information for CVE-2026-69083

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Vendor Advisories for CVE-2026-69083 (2)

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

CVE-2026-69085 10.0 CRITICAL SiYuan before v3.7.3 SQL Injection via searchDocs
CVE-2026-69084 10.0 CRITICAL SiYuan before v3.7.3 SQL Injection via searchEmbedBlock
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-2026-69083

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