{"vulnerability": "cve-2026-75439", "sightings": [{"uuid": "c10668f8-ee82-472c-8980-1276f7efc520", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-75439", "type": "seen", "source": "https://mastodon.social/users/hugovalters/statuses/117253867833382813", "content": "CVE-2026-75439: Free5GC v.4.2.2 has a remote DoS flaw in the UPF component\u2014crash the whole core network. CVSS: N/A (still unpatched). Act fast: isolate UPF, apply vendor workarounds, and monitor traffic. Details: https://www.valtersit.com/cve/CVE-2026-75439/ #infosec #5G #CVE", "creation_timestamp": "2026-09-11T18:40:37.148791Z"}, {"uuid": "6b60aea5-21a7-44dc-a421-1d1ad26863c3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-75439", "type": "seen", "source": "https://bsky.app/profile/hugovalters.bsky.social/post/3mvbaaqmozc2e", "content": "CVE-2026-75439: Free5GC v.4.2.2 has a remote DoS flaw in the UPF component\u2014crash the whole core network. CVSS: N/A (still unpatched). Act fast: isolate UPF, apply vendor workarounds, and monitor traffic. Details: https://www.valtersit.com/cve/CVE-2026-75439/ #infosec #5G #CVE", "creation_timestamp": "2026-09-11T18:50:05.060262Z"}]}