{"vulnerability": "cve-2026-84428", "sightings": [{"uuid": "63f24c21-5848-4583-91fa-5a0da353ec34", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-84428", "type": "seen", "source": "https://bsky.app/profile/ulisesgascon.com/post/3muoqvmwms225", "content": "\ud83d\udea8 High-severity security fix in fastify@5.12.2 just released!\n\nPatches CVE-2026-84428: header validation bypass via incomplete schema case normalization.\n\ngithub.com/fastify/fast...", "creation_timestamp": "2026-09-04T10:27:32.197113Z"}, {"uuid": "be0b7a21-a33e-4232-bcc3-510da7684846", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-84428", "type": "seen", "source": "https://bsky.app/profile/malwareobserver.bsky.social/post/3muozs7o5py2y", "content": "\ud83d\udc1b VULNERABILITIES (CVSS 7.5) CVE-2026-84428:  \u2014 severity important \u2014 Red Hat Security Data (JSON)\nhttps://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-84428.json #CVE #ZeroDay #PatchManagement", "creation_timestamp": "2026-09-04T13:06:39.589471Z"}]}