Apache Kyuubi Server: The security fix for CVE-2025-66518 is incomplete
This security Apache Software Foundation advisory covers CVE-2025-66518 and CVE-2026-62391 affecting Apache Kyuubi Server.
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Summary
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.
Users are recommended to upgrade to version 1.12.0, which fixes the issue.
- 1.6.0 through 1.12.0.
Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source
- 1.12.0
Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 1.12.0, which fixes the issue.
Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source
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