CVE-2026-60083

MEDIUM 4.9

SiYuan before v3.8.0 Incomplete Path Blocklist via MCP file tool

CVSS Score

4.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-863
Vendor	siyuan-note
Product	siyuan
Published	Aug 22, 2026

Stay Ahead of the Next One

Get instant alerts for siyuan-note siyuan

Be the first to know when new medium vulnerabilities affecting siyuan-note siyuan are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

siyuan-note / siyuan

0 < 3.8.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 alham-rizvi