Vulnerability 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 Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-67x2-mq63-v9vm
- https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-bl
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-67x2-mq63-v9vm
FAQ
What is CVE-2026-72805?
CVE-2026-72805 is a vulnerability with a CVSS score of 5.8 (MEDIUM). 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. ...
How severe is CVE-2026-72805?
CVE-2026-72805 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-72805?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.