CVE-2026-86192— SiYuan before v3.8.2 Information Disclosure via Attribute-View
Quick assessment
Affected
siyuan-note siyuan
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
SiYuan 在 v3.8.2 之前的版本中， 端点未能正确过滤私有属性视图的单元格值。拥有“发布读取”权限的用户可以从绑定到不可访问文档的行中获取隐藏的 KeyValue 负载，从而在未授权的情况下暴露私有数据库内容。
Possible ATT&CK Techniques 1 AI
T1213 · Data from Information RepositoriesAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| siyuan-note | siyuan | < 3.8.2 |
affected |
3.8.2 |
unaffected |
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I. Basic Information for CVE-2026-86192
Vulnerability Information
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Vulnerability Title
SiYuan before v3.8.2 Information Disclosure via Attribute-View
Source: CVE Program / CVE List V5
Vulnerability Description
SiYuan versions before v3.8.2 fail to properly filter private attribute-view cell values in the getAttributeViewKeys endpoint. Publish readers can retrieve hidden KeyValues payloads from rows bound to inaccessible documents, exposing private database contents without authorization.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| siyuan-note | siyuan | 0 ~ 3.8.2 | - |
|
II. Public POCs for CVE-2026-86192
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-86192 (2)
IV. Related Vulnerabilities
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CVE-2026-86191
SiYuan before v3.8.2 Private Attribute View Key Enumeration -
CVE-2026-85585
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CVE-2026-85584
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CVE-2026-85582
SiYuan before v3.8.2 Unbounded Session Creation via Basic Au -
CVE-2026-85583
SiYuan before v3.8.2 Path Traversal via symlink in file API
Same vendor: siyuan-note
-
CVE-2026-86191
SiYuan before v3.8.2 Private Attribute View Key Enumeration -
CVE-2026-85585
SiYuan before v3.8.2 Unbounded Memory Consumption via Contro -
CVE-2026-85584
SiYuan before v3.8.2 Denial of Service via Auth Throttle -
CVE-2026-85582
SiYuan before v3.8.2 Unbounded Session Creation via Basic Au -
CVE-2026-85583
SiYuan before v3.8.2 Path Traversal via symlink in file API
Same weakness: CWE-639
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V. Comments for CVE-2026-86192
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