[ CVE-2026-60083 · Published 22 Aug 2026 ]
SiYuan: MCP file tool's blocklist is incomplete relative to the HTTP file API it claims to align with, exposing publish-mode passwords and other sensitive workspace files
CVSS 4.9
EPSS <1%Fix available
[ Description ]Official 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.
[ Fixes ]Fixes and patches
- github.com/siyuan-note/siyuan/kernel 0.0.0-20260808051406-3542530c505fFixed version · GitHub Advisories · go package github.com/siyuan-note/siyuan/kernel: upgrade to 0.0.0-20260808051406-3542530c505f or later (affected < 0.0.0-20260808051406-3542530c505f)
[ Packages ]Affected open-source packages
- github.com/siyuan-note/siyuan/kernel goAffected < 0.0.0-20260808051406-3542530c505f · fixed in 0.0.0-20260808051406-3542530c505f · GHSA-c8r8-95hg-mp34