CVE-2026-23850
January 19, 2026
SiYuan is a personal knowledge management system. In versions prior to 3.5.4, the markdown feature allows unrestricted server side html-rendering which allows arbitrary file read (LFD). Version 3.5.4 fixes the issue.
Affected Packages
github.com/siyuan-note/siyuan (GO):
Affected version(s) >=v0.1.0 <v3.5.4Fix Suggestion:
Update to version v3.5.4github.com/siyuan-note/siyuan/kernel (GO):
Affected version(s) >=v0.0.0-20220531085609-815128bd5343 <v0.0.0-20260118092326-b2274baba2e1Fix Suggestion:
Update to version v0.0.0-20260118092326-b2274baba2e1Related Resources (8)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS
Base Score:
0.09
