CVE-2026-86192

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.

Score

CVSS 4.0 7.1 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-09-05

Last modified

2026-09-10

Weaknesses

CWE-639

Affected products

• Siyuan (B3log)

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-vc7j-5f5p-3x75
• https://www.vulncheck.com/advisories/siyuan-before-3.8.2-information-disclosure-via-attribute-view