{"vulnerability": "CVE-2026-53899", "sightings": [{"uuid": "898b319e-caa2-4169-934b-b6ebe8ec40ee", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53899", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mofxfuqupl2j", "content": "CVE-2026-53899 - Cross-origin cookies could be leaked when opening a PDF link\nCVE ID : CVE-2026-53899\n \n Published : June 16, 2026, 1:16 p.m. | 25\u00a0minutes ago\n \n Description : Firefox for iOS used partial domain matching when attaching cookies to PDF requests, allowing a malic...", "creation_timestamp": "2026-06-16T13:58:50.406445Z"}]}