---
id: CVE-2026-60083
title: >-
  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
summary: >-
  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
  pa…
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-863
published: '2026-08-22'
updated: '2026-08-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-60083'
references:
  - url: >-
      https://github.com/siyuan-note/siyuan/security/advisories/GHSA-c8r8-95hg-mp34
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/siyuan-before-incomplete-path-blocklist-via-mcp-file-tool
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-08-23T04:42:14.509Z'
epss: 0.00231
epssPercentile: 0.14184
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.