AI browsers: the same-origin policy is only as strong as the model

[Redaktion]

For 30 years, one rule has kept one website in your browser from reading another. In agent mode that guarantee turns into a question about model quality. Two research groups showed it independently, a security firm demonstrated it, and the browser with the clearest finding is gone.

https://www.notebookcheck.net/AI-browsers-the-same-origin-policy-is-only-as-strong-as-the-model.1405753.0.html