Directory Traversal Vulnerability in SiYuan Personal Knowledge Management System
CVE-2026-33670

9.8CRITICAL

Key Information:

Vendor

Siyuan-note

Status
Siyuan
Vendor
CVE Published:
26 March 2026

What is CVE-2026-33670?

The SiYuan Personal Knowledge Management System introduces a directory traversal vulnerability in versions prior to 3.6.2, allowing unauthorized access to all document names within a notebook through the /api/file/readDir interface. This issue poses a significant risk, as it could potentially expose sensitive information to attackers. Users are strongly encouraged to update to version 3.6.2 or later to mitigate this risk.

Affected Version(s)

siyuan < 3.6.2

References

https://github.com/siyuan-note/siyuan/security/advisories...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.