Vulnerability Advisory : OpenClaw < 2026.3.28 - Privilege Escalation via operator.write to Admin-Class Telegram Config and Cron Persistence with LOW Attack Complexity

OpenClaw before 2026.3.28 contains a privilege escalation vulnerability allowing authenticated operators with write permissions to access admin-class Telegram configuration and cron persistence settings via the send endpoint. Attackers with operator.write credentials can exploit insufficient access controls to reach sensitive administrative functionality and modify persistence mechanisms.