CVE-2026-39889

PraisonAI's A2U event stream server exposes all agent activity without authentication prior to version 4.5.115. The create_a2u_routes() function registers endpoints /a2u/info, /a2u/subscribe, /a2u/events/{stream_name}, /a2u/events/sub/{id}, and /a2u/health with no auth checks, enabling unauthenti...