Information Exposure in SiYuan Personal Knowledge Management System
CVE-2026-33669

9.8CRITICAL

Key Information:

Vendor

Siyuan-note

Status
Siyuan
Vendor
CVE Published:
26 March 2026

What is CVE-2026-33669?

The SiYuan Personal Knowledge Management System allows unauthorized access to document IDs via the /api/file/readDir interface. Subsequently, users can access and view the content of all documents through the /api/block/getChildBlocks interface. This issue, addressed in version 3.6.2, emphasizes the importance of updating to safeguard sensitive document information from potential exposure.

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

.