SiYuan: Non-administrator responses from /api/system/getConf omit three secrets that the configuration-export path explicitly strips, disclosing the session-cookie signing key and the OS username to anonymous readers

CVE: This vulnerability corresponds to CVE-2026-72793. Summary /api/system/getConf is registered with CheckAuth only and is reachable by the publish RoleReader token, and anonymously when Publish.Auth.Enable is false. Its non-administrator masking chain is a blocklist that enumerates fields...