GitHub Security Advisory (GHSA-vpjw-wf5h-cgpq)Vendor advisory
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-vpjw-wf5h-cgpq CVE-2026-72804
CRITICAL
SiYuan before v3.7.4 Authentication Bypass via Graph Endpoints
Record summary
CVE-2026-72804 has a selected CVSS score of 9.2 (critical).
Description
SiYuan versions before v3.7.4 fail to validate publish-password tier in getGraph and getLocalGraph endpoints, allowing anonymous readers to retrieve block-level content of password-protected documents. Attackers can call these endpoints without supplying a password to read protected document content and the complete reference topology.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationNone
AutomatableYes
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 12, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
Default status: unaffected | CVE List | Before 3.7.4 | affected |
| 3.7.4 | unaffected |
References
3nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2026-72804 VulnCheck Advisory: SiYuan before v3.7.4 Authentication Bypass via Graph EndpointsThird-party advisory
https://www.vulncheck.com/advisories/siyuan-before-authentication-bypass-via-graph-endpoints