CVE-2026-105205 - SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo
Brief
CVE ID : CVE-2026-105205
Published : Oct. 4, 2026, 3:16 p. m.
- 4 hours, 15 minutes ago
Description : SiYuan before 3.
- 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.
Severity: 6.9
- MEDIUM
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