GitHub Security Advisory (GHSA-fgmr-7w36-9qfq)Vendor advisory
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-fgmr-7w36-9qfq CVE-2026-72796
MEDIUM
SiYuan before v3.7.4 Access Control Bypass via Static Routes
Record summary
CVE-2026-72796 has a selected CVSS score of 6.9 (medium).
Description
SiYuan before v3.7.4 contains an access control bypass vulnerability where static-file routes in the server mux bypass publish-access controls enforced on the REST API. Attackers with publish reader tokens or anonymous access in disabled-auth mode can read templates, snippets, and export artifacts by directly accessing static routes that lack the same restrictions as their REST API counterparts.
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-2026-72796 VulnCheck Advisory: SiYuan before v3.7.4 Access Control Bypass via Static RoutesThird-party advisory
https://www.vulncheck.com/advisories/siyuan-before-access-control-bypass-via-static-routes