## Bug Fixes

- Fixed missing knife binary in `/opt/opscode/bin` directory introduced in Chef Infra Server 15.8.0. In order to use knife, set the included knife in `/opt/opscode/bin` as the first entry in `PATH`. ([#3739](https://github.com/chef/chef-server/pull/3739))

## Security

Updated Rack to 2.2.6.4 to fix the following CVE's:

- CVE-2023-27539
- CVE-2023-27530