The agent decides what it "needs" to read - not the intention behind the prompt you gave it.

A failed SSH connection to a staging server for example, can trivially make it look into .ssh to try to diagnose it. And many other ways, including prompt injection.

https://www.reddit.com/r/ClaudeAI/comments/1q7dszm/claude_al...

https://github.com/anthropics/claude-code/issues/31566

https://github.com/anthropics/claude-code/issues/14485

https://grith.ai/blog/your-ai-agent-has-broad-access