Sensitive data could be exposed in logs of subiquity version 23.09.1 and earlier. An attacker in the adm group could use this information to find hashed passwords and possibly escalate their privilege.
https://github.com/canonical/subiquity/pull/1820/commits/62e126896fb063808767d74d00886001e38eaa1c
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5182