CVE-2026-73049

MEDIUM

CVE: CVE-2026-73049 - SiYuan versions before v3Sign in to save

CVSS

5.8

CVSS v3.1

EPSS

N/A

Exploit Prediction Score

Published

August 14, 2026

Exploitability

No EPSS data available

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.

Weaknesses

CWE-863

Affected Packages

No package data available.

Aliases

CVE-2026-73049

Related references

Publisher and database URLs for this record (shown for attribution; reading stays in Bugflare).

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-p4qw-vx5p-g984
https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getattributeviewbacklinks