{"cve":"CVE-2026-72805","nvd":{"published":"2026-08-12T20:17:52.527","modified":"2026-10-24T15:10:00.190","status":"Deferred","description":"SiYuan versions before v3.7.4 fail to enforce publish-access checks on getBlockBreadcrumb, getRefText, and getBlockTreeInfos endpoints, allowing disclosure of protected document content and metadata. Anonymous readers or publish RoleReader accounts can retrieve document titles, ancestor block content snippets, reference text, and path metadata for publish-forbidden or password-protected documents by supplying block IDs.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","score":5.8},"cwes":["CWE-862"],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-67x2-mq63-v9vm","https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-block-endpoints","https://github.com/siyuan-note/siyuan/security/advisories/GHSA-67x2-mq63-v9vm"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:35.584907681+00:00"},"epss":{"cve":"CVE-2026-72805","score":0.00296,"percentile":0.22062,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-67x2-mq63-v9vm","url":"https://osv.dev/vulnerability/GHSA-67x2-mq63-v9vm","summary":"SiYuan: Missing publish-access check on getBlockBreadcrumb, getRefText, and getBlockTreeInfos discloses content and metadata of protected/forbidden documents","modified":"2026-09-10T15:25:36.389319703Z","packages":[{"ecosystem":"Go","name":"github.com/siyuan-note/siyuan/kernel","purl":"pkg:golang/github.com/siyuan-note/siyuan/kernel","ranges":["<0.0.0-20260723163028-931ba693375e"],"fixed":["0.0.0-20260723163028-931ba693375e"]}]},{"id":"GO-2026-6387","url":"https://osv.dev/vulnerability/GO-2026-6387","summary":"SiYuan: Missing publish-access check on getBlockBreadcrumb, getRefText, and getBlockTreeInfos discloses content and metadata of protected/forbidden documents in github.com/siyuan-note/siyuan/kernel","modified":"2026-09-10T15:15:14.109835537Z","packages":[{"ecosystem":"Go","name":"github.com/siyuan-note/siyuan/kernel","purl":"pkg:golang/github.com/siyuan-note/siyuan/kernel","ranges":["<0.0.0-20260723163028-931ba693375e"],"fixed":["0.0.0-20260723163028-931ba693375e"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}