Github user joshelser commented on the issue: https://github.com/apache/phoenix/pull/191 > My thinking is this (but I should probably test it): says userA uses phoenix, then userB starts using Phoenix. This implies that userA would be logged out and I would hope that subsequent interactions with Phoenix by the "human" userA would fail because its credentials are no longer there (the RPCs themselves would fail). In other words, my thinking is that the RPC authentication would protect us in Phoenix from this being an issue. No dice. This is still a hole (although not a new hole as I understand it). Will track this separately.
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