An information disclosure vulnerability exists in Rocket.Chat <v5 due to the getUserMentionsByChannel meteor server method discloses messages from private channels and direct messages regardless of the users access permission to the room.
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Link | Tags |
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https://hackerone.com/reports/1410246 | issue tracking mitigation exploit third party advisory |