CVE-2026-82652: Exposure of Resource to Wrong Sphere in siyuan-note siyuan
Description
SiYuan note-taking software versions before 3.8.1 have a vulnerability where invisible-tier content is not properly filtered in certain listing mechanisms during publish mode. This allows anonymous readers to enumerate content that was intended to be unlisted by the administrator. The issue affects SQL embed blocks, attribute-view keys, and attribute-view backlinks.
CVSS v4.0
Score 6.9medium
Affected software
siyuan-note
siyuan
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82652 describes a medium-severity vulnerability in SiYuan note-taking software prior to version 3.8.1. The software fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks when in publish mode. As a result, anonymous users can enumerate content marked as unlisted by administrators, exposing information that should remain hidden. The vulnerability does not require privileges or user interaction and has a CVSS 4.0 base score of 6.9.
Potential Impact
Anonymous users can access and enumerate content that administrators intended to keep invisible or unlisted. This exposure could lead to unintended information disclosure, potentially violating privacy or confidentiality expectations. There is no indication of privilege escalation, integrity, or availability impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround is currently documented. Users should monitor for updates from the SiYuan project and apply any patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-30T13:38:00.102Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a944045acd9273b49a612d3
Added to database: 08/30/2026, 14:37:57 UTC
Last enriched: 09/07/2026, 15:36:50 UTC
Last updated: 10/13/2026, 18:48:24 UTC
Views: 86
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