Vulnerability Details 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.
Users are recommended to upgrade to version 1.12.0, which fixes the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 41.9%
CVSS Severity
CVSS v3 Score 8.1
Products affected by CVE-2026-62391
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cpe:2.3:a:apache:kyuubi:1.10.0
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cpe:2.3:a:apache:kyuubi:1.10.1
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cpe:2.3:a:apache:kyuubi:1.10.2
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cpe:2.3:a:apache:kyuubi:1.10.3
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cpe:2.3:a:apache:kyuubi:1.11.0
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cpe:2.3:a:apache:kyuubi:1.11.1
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cpe:2.3:a:apache:kyuubi:1.6.0
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cpe:2.3:a:apache:kyuubi:1.6.1
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cpe:2.3:a:apache:kyuubi:1.7.0
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cpe:2.3:a:apache:kyuubi:1.7.1
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cpe:2.3:a:apache:kyuubi:1.7.2
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cpe:2.3:a:apache:kyuubi:1.7.3
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cpe:2.3:a:apache:kyuubi:1.7.4
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cpe:2.3:a:apache:kyuubi:1.8.0
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cpe:2.3:a:apache:kyuubi:1.8.1
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cpe:2.3:a:apache:kyuubi:1.8.2
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cpe:2.3:a:apache:kyuubi:1.8.3
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cpe:2.3:a:apache:kyuubi:1.9.0
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cpe:2.3:a:apache:kyuubi:1.9.1
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cpe:2.3:a:apache:kyuubi:1.9.2
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cpe:2.3:a:apache:kyuubi:1.9.3
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cpe:2.3:a:apache:kyuubi:1.9.4