https://vulnerability.circl.lu/sightings/feed 2026-06-04T00:32:03.686976+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/a9b03988-9566-4027-993c-1d12e6ef11b5/export 2026-06-04T00:32:04.048916+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "a9b03988-9566-4027-993c-1d12e6ef11b5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2017-18873", "type": "seen", "source": "https://t.me/cibsecurity/12933", "content": "ATENTION\u203c New - CVE-2017-18873\n\nAn issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to cause a denial of service (channel invisibility) via a misformatted post.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2020-06-19T23:55:17.000000Z"} 2020-06-19T23:55:17+00:00