This afternoon we deployed 2017.2P1.
Patch 2018.2 Patch 1 addresses a narrowly confined but serious security issue that could allow a user to see another user's document. The changes do not impact data integrity and have no impact on User or Functional Requirements.
This release is being managed through change control 24901 and due to the possible security concerns related to this issue we will be releasing this patch as soon as QA completes testing protocols, We do not expect any downtime since there are no database changes.
ZENQ-3232 Revert URL Router code changes that can create security risks