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CVE-2026-60083— SiYuan before v3.8.0 Incomplete Path Blocklist via MCP file tool

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团队开源的一个以隐私为先的个人知识管理系统。 SiYuan 3.8.0之前版本存在授权问题漏洞，该漏洞源于MCP文件工具中路径阻止列表不完整，未能限制对HTTP API保护的敏感工作区文件的访问，可能导致已认证管理员读取data/.siyuan/publishAccess.json中的明文发布模式密码以及访问data/templates和data/snippets/conf.json等敏感文件。

CVSS 4.9 · Medium EPSS 0.39% · P32

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 2

VendorProduct Version RangeStatus
siyuan-note siyuan < 3.8.0 affected
3.8.0 unaffected
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I. Basic Information for CVE-2026-60083

Vulnerability Information
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Vulnerability Title
SiYuan before v3.8.0 Incomplete Path Blocklist via MCP file tool
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan versions before v3.8.0 contain an incomplete path blocklist in the MCP file tool that fails to restrict access to sensitive workspace files protected by the HTTP API. Authenticated administrators can read plaintext publish-mode passwords from data/.siyuan/publishAccess.json and access other sensitive files like data/templates and data/snippets/conf.json.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
SiYuan 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SiYuan是SiYuan团队开源的一个以隐私为先的个人知识管理系统。 SiYuan 3.8.0之前版本存在授权问题漏洞，该漏洞源于MCP文件工具中路径阻止列表不完整，未能限制对HTTP API保护的敏感工作区文件的访问，可能导致已认证管理员读取data/.siyuan/publishAccess.json中的明文发布模式密码以及访问data/templates和data/snippets/conf.json等敏感文件。
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 ~ 3.8.0 -

II. Public POCs for CVE-2026-60083

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III. Intelligence Information for CVE-2026-60083

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Vendor Advisories for CVE-2026-60083 (2)

Same Patch Batch · siyuan-note · 2026-08-22 · 4 CVEs total

CVE-2026-60084 8.7 HIGH SiYuan before v3.7.4 Arbitrary File Deletion via removeTemplate
CVE-2026-62204 6.6 MEDIUM SiYuan before v3.7.4 Plugin Overwrite via Bazaar Install
CVE-2026-59809 4.9 MEDIUM SiYuan before v3.8.0 Secret Exfiltration via http_request URL

IV. Related Vulnerabilities

Same product: siyuan
Same vendor: siyuan-note
Same weakness: CWE-863

V. Comments for CVE-2026-60083

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