Redpanda before 23.1.21 and 23.2.x before 23.2.18 has missing authorization checks in the Transactions API.
https://github.com/redpanda-data/redpanda/pull/15060
https://github.com/redpanda-data/redpanda/pull/14969
https://github.com/redpanda-data/redpanda/issues/15048
https://github.com/redpanda-data/redpanda/compare/v23.2.17...v23.2.18
https://github.com/redpanda-data/redpanda/compare/v23.1.20...v23.1.21