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.

CVSS Vector

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-f3q6-vc7q-m6h7
• https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getrefidsbyfileannotationid
• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-f3q6-vc7q-m6h7