GO-2026-6386 SiYuan: Localhost-trust admin bypass on auth-code-gated endpoints, with potential remote reachability via the fixed-port proxy in github.com/siyuan-note/siyuan/kernel

SiYuan: Localhost-trust admin bypass on auth-code-gated endpoints, with potential remote reachability via the fixed-port proxy in github.com/siyuan-note/siyuan/kernel...

SiYuan: Localhost-trust admin bypass on auth-code-gated endpoints, with potential remote reachability via the fixed-port proxy

CVE: This vulnerability corresponds to CVE-2026-72809. Summary The kernel's CheckAuth grants RoleAdministrator to any request whose RemoteAddr is loopback 127.0.0.1, for a specific set of endpoints, and these localhost bypasses sit outside the accessAuthCode gate so they apply even when an access...

GHSA-3MP7-4RH5-JRV9 SiYuan: Localhost-trust admin bypass on auth-code-gated endpoints, with potential remote reachability via the fixed-port proxy

CVE: This vulnerability corresponds to CVE-2026-72809. Summary The kernel's CheckAuth grants RoleAdministrator to any request whose RemoteAddr is loopback 127.0.0.1, for a specific set of endpoints, and these localhost bypasses sit outside the accessAuthCode gate so they apply even when an access...

GHSA-8WX9-J7J5-H9VP Duplicate Advisory: Localhost-trust admin bypass on auth-code-gated endpoints, with potential remote reachability via the fixed-port prox

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3mp7-4rh5-jrv9. This link is maintained to preserve external references. Original Description SiYuan versions = v3.7.2 patched in v3.7.4 contain an authentication bypass vulnerability in the kernel's CheckAuth...

Duplicate Advisory: Localhost-trust admin bypass on auth-code-gated endpoints, with potential remote reachability via the fixed-port prox

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3mp7-4rh5-jrv9. This link is maintained to preserve external references. Original Description SiYuan versions = v3.7.2 patched in v3.7.4 contain an authentication bypass vulnerability in the kernel's CheckAuth...