{"vulnerability": "cve-2026-48509", "sightings": [{"uuid": "68d440fc-c451-4fae-a294-4966e2d837dc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-48509", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mow65lsemi23", "content": "CVE-2026-48509 - MessagePack-CSharp: ASP.NET Core MessagePackInputFormatter defaults to TrustedData for HTTP request bodies\nCVE ID : CVE-2026-48509\n \n Published : June 22, 2026, 9:16 p.m. | 2\u00a0hours, 27\u00a0minutes ago\n \n Description : MessagePack for C# is a MessagePack serializer...", "creation_timestamp": "2026-06-23T00:42:06.524609Z"}, {"uuid": "3f006763-aee4-4d78-b877-a643b9a53777", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-48509", "type": "seen", "source": "https://bsky.app/profile/vulny-app.bsky.social/post/3mttk7rbmqb2k", "content": "A critical-severity fix just shipped for Messagepack. If your stack uses it, patch to the fixed release soon. Quietly closes the gap before anyone goes looking. CVE-2026-48509", "creation_timestamp": "2026-08-24T14:46:02.199141Z"}]}