CVE-2026-68587
Published:August 03, 2026
Updated:August 05, 2026
SiYuan versions before v3.7.3 contain an information disclosure vulnerability in the getHeadingDeleteTransaction, getHeadingLevelTransaction, and getHeadingInsertTransaction endpoints that return rendered block DOM without publish-access checks. Anonymous readers or publish RoleReader tokens can supply a heading block ID to read full rendered content of publish-disabled documents that should be restricted.
Affected Packages
https://github.com/siyuan-note/siyuan.git (GITHUB):
Affected version(s) >=v0.1.0 <v3.7.3Fix Suggestion:
Update to version v3.7.3github.com/siyuan-note/siyuan/kernel (GO):
Affected version(s) >=v0.0.0-20220531085609-815128bd5343 <v0.0.0-20260723002528-7d273c271ce1Fix Suggestion:
Update to version v0.0.0-20260723002528-7d273c271ce1github.com/siyuan-note/siyuan (GO):
Affected version(s) >=dev2.0.17-1 <v3.7.3+incompatibleFix Suggestion:
Update to version v3.7.3+incompatibleRelated Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Missing Authorization