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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.

思源笔记(SiYuan)v3.8.0 之前的版本中,MCP 文件工具存在不完整的目录路径黑名单,未能有效限制通过 HTTP API 对敏感工作区文件的访问。已认证的管理员可以读取 中的明文发布模式密码,并访问其他敏感文件,例如 和 。

CVSS 4.9 · Medium EPSS 0.23% · P14

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

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

V. Comments for CVE-2026-60083

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