Decision Walk: A Browser Agent Encounters a Hidden “Admin Mode” Prompt
Use layered guardrails to stop a browser-based jailbreak from turning into privileged tool use.
The setup A webpage tries to redefine the agent’s role while privileged actions are available. This is where jailbreak behavior meets tool authority. The principle Pause power when role confusion appears The safest agent design assumes the model can be persuaded. The system response is to narrow privileges, not to trust intent detection alone. When hostile content tries to elevate authority, reduce tool power first and investigate second. Shortcut Keep privileged actions live and hope the model refuses the page’s request. The page can no longer talk the agent into becoming an admin operator. Step 1 Recognize the cue What…
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