Medium severity5.8NVD Advisory· Published Aug 14, 2026· Updated Aug 26, 2026

CVE-2026-73048

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Siyuan Note/Siyuanllm-fuzzy
Range: <v3.7.4

Patches

Vulnerability mechanics

References

github.com/siyuan-note/siyuan/security/advisories/GHSA-f3q6-vc7q-m6h7nvd
www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getrefidsbyfileannotationidnvd

News mentions

Siyuan Note: 25 Vulnerabilities Including RCE and Auth Bypass Disclosed Together
Vypr Intelligence · Aug 15, 2026

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