CVE-2026-55583: Twenty is an open-source CRM (customer relationship management) platform. Prior to 2.9.0, Twenty was vulnerable to a cro

Twenty, an open-source CRM platform, had a vulnerability before version 2.9.0 where authenticated users could access other workspaces' AI agent data through IDOR (insecure direct object reference, a flaw where the system doesn't verify that requested data belongs to the user). Attackers with access to a workspace could view other users' chat histories, tool calls, and outputs by knowing their agent or turn IDs, which were visible in the settings page URL.