Livy server version 0.7.0-incubating (only) is vulnerable to a cross site scripting issue in the session name. A malicious user could use this flaw to access logs and results of other users' sessions and run jobs with their privileges. This issue is fixed in Livy 0.7.1-incubating.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.057
EPSS Ranking 90.0%