CVE-2026-105205 — SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo
SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected an…
Published: 2026-10-04 · CVSS: 6.9 · CVSS 4.0
SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo or getDocsInfo for a published document ID to obtain refIDs and refCount of hidden referencing blocks, bypassing the publish confidentiality boundary.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7