CVE-2026-75845 ArcadeDB 26.4.2 before 26.8.1 Authorization Bypass via set_server_setting

ArcadeDB versions 26.4.2 through 26.7.3 contain an authorization bypass vulnerability in the setserversetting MCP server-level tool. SetServerSettingTool.execute gates only on the global allowAdmin flag and never checks the caller's role, so in an MCP deployment with allowAdmin=true and a non-roo...