Marco Trevisan discovered that the Ubuntu Advantage Desktop Daemon, before version 1.12, leaks the Pro token to unprivileged users by passing the token as an argument in plaintext.
https://www.cve.org/CVERecord?id=CVE-2024-6388
https://github.com/canonical/ubuntu-advantage-desktop-daemon/pull/24
https://bugs.launchpad.net/ubuntu/+source/ubuntu-advantage-tools/+bug/2068944