[server] listening on https://0.0.0.0:8443 [REPORT] tag=normal window.credentialless=false storage-access state=granted [REPORT] tag=credentialless window.credentialless=true storage-access state=granted ========== RESULTS ========== normal window.credentialless=false state=granted credentialless window.credentialless=true state=granted [+] VULNERABILITY CONFIRMED: The credentialless (nonce-partitioned) iframe observed state='granted' for navigator.permissions.query({name:'storage-access'}), leaking the profile-wide STORAGE_ACCESS(embed.test, top.test) grant across the partition boundary. Expected per credentialless threat model: 'prompt'. Chrome log tail (CONSOLE lines): [2760:2760:0530/211118.735640:INFO:CONSOLE:18] "[embed.test normal] window.credentialless=false permissions.query(storage-access).state=granted ", source: https://embed.test:8443/embed.html (18) [2760:2760:0530/211118.747328:INFO:CONSOLE:18] "[embed.test credentialless] window.credentialless=true permissions.query(storage-access).state=granted ", source: https://embed.test:8443/embed.html (18)