{"uuid": "b3f8226f-a4d9-41cf-9994-3c261a2a1a73", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-90990", "type": "seen", "source": "https://mastodon.social/users/hugovalters/statuses/117374779453571635", "content": "CVE-2026-90990 Checkmk <2.5.0p14 CVSS 7.1. Authenticated users can inject Livestatus headers to bypass visibility and leak host/service info. No patch yet. Restrict access and monitor. https://www.valtersit.com/cve/CVE-2026-90990/ #CVE #infosec #Checkmk", "creation_timestamp": "2026-10-03T03:10:02.098144Z"}