CVE-2026-73048

MEDIUM

CVE: CVE-2026-73048 - 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 getRefIDsByFileAnnotationID endpoint that returns block identifiers citing PDF annotations without publish-access filtering. Attackers can extract block identifiers from restricted documents by supplying annotation identifiers visible in published pages, revealing citation relationships across forbidden and password-protected tiers.

Weaknesses

CWE-862

Affected Packages

No package data available.

Aliases

CVE-2026-73048

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-f3q6-vc7q-m6h7
https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getrefidsbyfileannotationid