CVE-2026-62391

CVE-2026-62391 affects Apache Kyuubi prior to 1.12.0. The issue allows bypass of the server-side config kyuubi.session.local.dir.allowlist by using unprefixed Spark config aliases, enabling clients that can reach the Kyuubi Server via Kyuubi frontend protocols to bypass the allowlist. Root cause:...

CVE-2026-23904

Apache Kyuubi contains an SSRF/open-proxy flaw in the Engine UI proxy feature. The Engine UI proxy accepts a host:port from the request path and forwards HTTP requests to that destination, enabling a remote caller with network access to trigger requests to arbitrary reachable hosts. Affected vers...

CVE-2025-66518

Apache Kyuubi Server 1.6.0–1.10.2 is affected by a path traversal/unauthorized local-file access vulnerability where an attacker able to reach the Kyuubi frontend could bypass the kyuubi.session.local.dir.allow.list. Root cause involves insufficient path normalization, permitting access to local ...

CVE-2026-52680

Affected software: Apache Kyuubi REST batch multipart upload feature. Vulnerability: path traversal via client-supplied multipart filename used when creating temporary uploaded resources, enabling writing content outside the intended upload directory depending on filesystem permissions. Impact: p...