An information disclosure vulnerability exists in Rocket.Chat <v4.7.5 which allowed the "users.list" REST endpoint gets a query parameter from JSON and runs Users.find(queryFromClientSide). This means virtually any authenticated user can access any data (except password hashes) of any user authenticated.
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Check my exposure →This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.