CVE-2026-72797: SiYuan: getEncryptedNotebookStatus discloses names and current lock/unlock state of all encrypted notebooks to anonymous readers

POST /api/notebook/getEncryptedNotebookStatus returns the identifier, name, and current lock state of every encrypted notebook, with no publish-access filtering. The route is registered CheckAuth only, no CheckReadonly, no CheckAdminRole so it is reachable by the publish RoleReader token and by the anonymous account when Publish.Auth.Enable is false. Encrypted notebooks are private by design; their names frequently reveal the sensitive topic that motivated encrypting them.