CVE-2026-19019 poco-ai poco-agent Claude File workspace.py WorkspaceManager._setup_session_persistence cleanup

A security flaw has been discovered in poco-ai poco-agent up to 0.5.4. Affected is the function WorkspaceManager.setupsessionpersistence of the file executor/app/core/workspace.py of the component Claude File Handler. The manipulation results in incomplete cleanup. The attack may be performed fro...