CVE-2026-73049

Medium

Description

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the getAttributeViewBacklinks endpoint that consults the forbidden access list instead of the visibility list when filtering backlinks. Anonymous readers can supply a publicly visible database row identifier to discover hidden-tier documents that reference it, receiving the database name, row title, and document path of hidden documents.

SeverityMedium
CVSS5.8
Exploit probability—
ProductGithub.com/siyuan-note/siyuan/kernel
PublishedAug 14, 2026
First seenAug 14, 2026

How to fix

Update
  • github.com/siyuan-note/siyuan/kernel0.0.0-20260730150429-5b42614311b0 or later

Affected products

ProductAffected versionsFixed in
github.com/siyuan-note/siyuan/kernelGov < 0.0.0-20260730150429-5b42614311b00.0.0-20260730150429-5b42614311b0

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