CVE-2026-62391
8.1 · HIGHOverview
CVE-2026-62391 is a high-severity vulnerability affecting apache kyuubi. It was published on July 31, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from apache. Update kyuubi to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | kyuubi | >= 1.6.0, < 1.12.0 | Affected |
Frequently Asked Questions
What is CVE-2026-62391?
CVE-2026-62391 is a high-severity vulnerability affecting apache kyuubi. It was published on July 31, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2026-62391?
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-62391?
Check the references section for vendor advisories and patches from apache. Update kyuubi to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-62391?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-62391 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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