CVE-2026-68587
SiYuan before v3.7.3 Information Disclosure via getHeading*Transaction
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | siyuan-note |
| Product | siyuan |
| Published | Aug 3, 2026 |
| Last Updated | Aug 3, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
siyuan-note / siyuan
0 < 3.7.3
References
Credits
🔍 Shirshakhtml