{"schema_version":"1","data":[{"id":8611,"advisory_id":"e2f18edd-cd56-4cc7-9ec2-6e09f4f5d987","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105205","source_published_at":"2026-10-04T13:10:00.765+00:00","published_at":"2026-10-24T23:03:28.872859+00:00","extraction_method":"structured","technologies":["core-cve","siyuan"],"cve_ids":["CVE-2026-105205"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo","summary":"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.","evidence":"cve:CVE-2026-105205","products":[{"name":{"value":"siyuan","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"medium","structured":{"id":"CVE-2026-105205","aliases":["CVE-2026-105205"],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","baseScore":6.9,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"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","userInteraction":"NONE","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","subIntegrityImpact":"NONE","vulnIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","vulnConfidentialityImpact":"LOW"}},{"format":"CVSS","cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}}],"affected":[{"vendor":"siyuan-note","product":"siyuan","versions":[{"status":"affected","version":"0","lessThan":"3.8.5","versionType":"semver"},{"status":"unaffected","version":"3.8.5","versionType":"semver"}],"defaultStatus":"unaffected"}],"modified":"2026-10-05T13:30:12.526Z","provider":"cve","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"],"provider_metadata":{"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-105205","role":"CISA Coordinator","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-05T13:29:37.466760Z"}}}],"references":[{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v758-8w88-pfr2","tags":["exploit"]}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-05T13:30:12.526Z"}}],"cna":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-04T13:10:00.765Z"}}},"related_cves":[{"value":"CVE-2026-105205","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":8611,"next_before":8611}