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CVE-2026-45371— SiYuan: SiYuan publish-mode Reader can mutate Conf and SQL index via 8 ungated APIs

AI Predicted 8.1 Difficulty: Easy EPSS 0.04% · P12

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
siyuan-notesiyuan< 3.7.0affected
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I. Basic Information for CVE-2026-45371

Vulnerability Information
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Vulnerability Title
SiYuan: SiYuan publish-mode Reader can mutate Conf and SQL index via 8 ungated APIs
Source: NVD (National Vulnerability Database)
Vulnerability Description
SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan publish-mode Reader can mutate Conf and SQL index via 8 ungated APIs. POST /api/graph/getGraph, POST /api/graph/getLocalGraph, POST /api/sync/setSyncInterval, POST /api/storage/updateRecentDocViewTime, POST /api/storage/updateRecentDocCloseTime, POST /api/storage/updateRecentDocOpenTime, POST /api/storage/batchUpdateRecentDocCloseTime, and POST /api/search/updateEmbedBlock are registered with model.CheckAuth only, omitting both model.CheckAdminRole and model.CheckReadonly. Each of them writes server-side state, including atomic rewrites of <workspace>/conf/conf.json via model.Conf.Save(). Any caller whose JWT passes CheckAuth, including a publish-service RoleReader (the role assigned to anonymous publish visitors) and a RoleEditor against a workspace where Editor.ReadOnly = true, can hit them This vulnerability is fixed in 3.7.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
SiYuan 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SiYuan是SiYuan开源的一个个人知识管理系统。 SiYuan 3.7.0之前版本存在授权问题漏洞，该漏洞源于8个API端点缺少管理员和只读权限检查，可能导致配置和索引修改。
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 < 3.7.0 -

II. Public POCs for CVE-2026-45371

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III. Intelligence Information for CVE-2026-45371

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Same Patch Batch · siyuan-note · 2026-05-14 · 7 CVEs total

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CVE-2026-445868.3 HIGHSiYuan: Bazaar marketplace renders unescaped package author metadata, allowing XSS and Ele
CVE-2026-451474.3 MEDIUMSiYuan: Broken access control in SiYuan `/api/tag/getTag` — Reader role can mutate `Conf.T
CVE-2026-451484.3 MEDIUMSiYuan: Broken access control in SiYuan publish-mode Readers can enumerate metadata
CVE-2026-44670SiYuan: Stored XSS via Attribute View name to Electron renderer RCE in SiYuan
CVE-2026-44588SiYuan: URL-encoded title bypasses `escapeAriaLabel`, decoded by `decodeURIComponent` into

IV. Related Vulnerabilities

Same product: siyuan
Same vendor: siyuan-note
Same weakness: CWE-285

V. Comments for CVE-2026-45371

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