{"vulnerability": "CVE-2023-28357", "sightings": [{"uuid": "25eba579-4aba-401c-862e-f0e0e95d0c5d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-28357", "type": "seen", "source": "https://t.me/cibsecurity/63934", "content": "\u203c CVE-2023-28357 \u203c\n\nA vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members to unauthorized users. This allows authenticated users to enumerate whether a username is a member of a channel that they do not have access to.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2023-05-12T02:26:25.000000Z"}]}