Descripción
Malicious configuration can lead to unauthorized file access in Apache Livy.
This issue affects Livy 0.7.0 and 0.8.0 when connecting Apache Spark 3.1 or later.
A request that includes a Spark value supported from version users gaining files they do not have permissions to.
For the vulnerability be exploitable, user needs Livy's REST JDBC interface able send requests with arbitrary values.
Users are recommended upgrade 0.9.0 later, which fixes issue.
https://lists.apache.org/thread/gpc85fwrgrbglpk9gm8tmcjzqnctx64w
http://www.openwall.com/lists/oss-security/2026/03/12/1