{"vulnerability": "CVE-2026-42489", "sightings": [{"uuid": "08b49c8f-de03-496e-932f-c91ff03e3840", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42489", "type": "seen", "source": "https://bsky.app/profile/infosec.skyfleet.blue/post/3mnucoaa2ss26", "content": "Xen Security Advisory 492 v3 (CVE-2026-42489,CVE-2026-42490) - domctl lock open to abuse", "creation_timestamp": "2026-06-09T13:32:26.819049Z"}, {"uuid": "069ca648-aa2b-4aa4-9560-c41c66411b31", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42489", "type": "seen", "source": "https://infosec.exchange/users/andersonc0d3/statuses/116720431315436112", "content": "Xen Security Advisory 491 v2 (CVE-2026-42487) - x86 HVM I/O port list traversal\nhttps://seclists.org/oss-sec/2026/q2/857\nXen Security Advisory 492 v3 (CVE-2026-42489,CVE-2026-42490) - domctl lock open to abuse\nhttps://seclists.org/oss-sec/2026/q2/858\nXen Security Advisory 493 v2 (CVE-2025-10263) - Arm: Completion of memory accesses not guaranteed by completion of a TLBI\nhttps://seclists.org/oss-sec/2026/q2/859", "creation_timestamp": "2026-06-09T13:41:01.300913Z"}, {"uuid": "0c99d6ee-0367-42dd-8adb-42fe5db9404f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-42489", "type": "seen", "source": "https://www.acn.gov.it/portale/w/risolte-vulnerabilita-in-xen", "content": "", "creation_timestamp": "2026-06-10T04:24:52.000000Z"}]}