What’s Vulnerable › Vulnerabilities
CVE-2026-62391: Apache Kyuubi: kyuubi.session.local.dir.allow.list bypass via unprefixed Spark file-conf aliases
- Severity: high (CVSS 8.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-31 · updated 2026-10-23
- Weakness: CWE-22
Description
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.
Affected products
- Apache Software Foundation Apache Kyuubi: from 1.6.0 before 1.12.0 — fixed in 1.12.0
How to fix
Upgrade to a fixed version: Apache Software Foundation Apache Kyuubi 1.12.0. Check the vendor advisory for mitigations.
References
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