Vulnerability Description
SiYuan versions before v3.7.3 contain an information disclosure vulnerability in the getHeadingDeleteTransaction, getHeadingLevelTransaction, and getHeadingInsertTransaction endpoints that return rendered block DOM without publish-access checks. Anonymous readers or publish RoleReader tokens can supply a heading block ID to read full rendered content of publish-disabled documents that should be restricted.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-69mh-gvh4-8gp7
- https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-ge
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-69mh-gvh4-8gp7
FAQ
What is CVE-2026-68587?
CVE-2026-68587 is a vulnerability with a CVSS score of 8.6 (HIGH). SiYuan versions before v3.7.3 contain an information disclosure vulnerability in the getHeadingDeleteTransaction, getHeadingLevelTransaction, and getHeadingInsertTransaction endpoints that return rend...
How severe is CVE-2026-68587?
CVE-2026-68587 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-68587?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.