CVE-2026-62391: Apache Kyuubi: kyuubi.session.local.dir.allow.list bypass via unprefixed Spark file-conf aliases

<p>Posted by Akira Ajisaka on Jul 31</p>Severity: important <br /> <br /> Affected versions:<br /> <br /> - Apache Kyuubi (org.apache.kyuubi:kyuubi-server) 1.6.0 before 1.12.0<br /> <br /> Description:<br /> <br /> The security fix for CVE-2025-66518 is incomplete. Any client who can access to Apache Kyuubi Server via Kyuubi <br /> frontend protocols can bypass server-side config kyuubi.session.lo