https://vulnerability.circl.lu/sightings/feed 2026-07-04T12:06:42.311838+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/ae943f50-beb7-4796-88d3-575f2a018b2a/export 2026-07-04T12:06:42.373046+00:00 Automation user https://vulnerability.circl.lu/user/automation {"uuid": "ae943f50-beb7-4796-88d3-575f2a018b2a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2018-21253", "type": "seen", "source": "https://t.me/cibsecurity/12898", "content": "ATENTION\u203c New - CVE-2018-21253\n\nAn issue was discovered in Mattermost Server before 5.1, 5.0.2, and 4.10.2. An attacker could use the invite_people slash command to invite a non-permitted user.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2020-06-19T20:55:33.000000Z"} 2020-06-19T20:55:33+00:00