{"id":"CVE-2026-105205","revision":"58c3fb133451401dbd8f19c99e5fcc6c","records":[{"revision":"58c3fb133451401dbd8f19c99e5fcc6c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-105205","aliases":[],"title":"SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo","description":"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.","state":0,"publishedAt":"2026-10-04T13:10:00.765+00:00","modifiedAt":"2026-10-05T13:30:12.526+00:00","affected":[{"ecosystem":"Vendor product","name":"siyuan","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"siyuan-note\",\n                    \"product\": \"siyuan\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.8.5\"\n                        },\n                        {\n                            \"version\": \"3.8.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v758-8w88-pfr2","https://www.vulncheck.com/advisories/siyuan-before-3.8.5-information-disclosure-via-api-block-getdocinfo-and-getdocsinfo"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105205","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-105205","identifiers":["CVE-2026-105205"]},"retained":false,"historicalAffected":[]}],"coverage":[]}