{"vulnerability": "CVE-2026-43633", "sightings": [{"uuid": "284ed6a2-f69c-4044-9fac-5521097a5450", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-43633", "type": "seen", "source": "https://bsky.app/profile/securitycyberuk.bsky.social/post/3motneopfss2b", "content": "\ud83d\udea8  ALERT: CVE-2026-43633\n\nCVSS 10.0/10\n\n\ud83d\udccb WHAT IT IS:\nHestiaCP versions 1.9.0 through 1.9.4 contain a deserialization vulnerability in the web terminal component caused by a session format mismatch between PHP and Node.js that allows unauthenticated remote attackers to achieve root-level code execut", "creation_timestamp": "2026-06-22T00:36:29.335568Z"}]}