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CVE-2026-33670

SiYuan has directory traversal within its publishing service

Published: Mar 26, 2026Updated: Mar 30, 2026 Sources: CVE List NVDCWE-22
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.7%
Top 53.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the /api/file/readDir interface was used to traverse and retrieve the file names of all documents under a notebook. Version 3.6.2 patches the issue.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-22

Affected Products

siyuanb3log
On-premWeb App
Web & CMS Plugins / cms-core
siyuansiyuan-note
b3logoss-projectWeb & CMS Pluginsaka b3log

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-xmw9-6r43-x9ww
github.com

Timeline

Published
Mar 26, 2026
Last Updated
Mar 30, 2026

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