Configuration Bypass

Apache Kyuubi is vulnerable to configuration bypass. The vulnerability is due to an incomplete security fix, where client‑controlled unprefixed Spark config aliases can bypass the server‑side kyuubi.session.local.dir.allowlist setting and attackers can exploit it by accessing the Kyuubi Server vi...

CVE-2026-62391

The security fix for CVE-2025-66518 is incomplete. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allowlist via unprefixed Spark config aliases. This issue affects Apache Kyuubi: from 1.6.0 before 1.12.0. User...

CVE-2026-62391: Improper Limitation of a Pathname to a Restricted Directory

The security fix for CVE-2025-66518 is incomplete. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allowlist via unprefixed Spark config aliases. This issue affects Apache Kyuubi: from 1.6.0 before 1.12.0. User...