Kyuubi
CVE-2025-66518
HIGH
GHSA-f8r6-6222-9pvc
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path traversal prevention
|
| Impact | CVSS 8.8 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None. Exploitable via local access. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allow.list and use local files which are not listed in the config. This issue affects Apache Kyuubi: from 1.6.0 through 1.10.2. [CVSS 8.8 HIGH]
RemediationAI
Update to version 1.10.3 or later. Restrict network access to the affected service where possible.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in maven
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Affects Kyuubi. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allow.list and use local files which are not listed in the config.
This issue affects Apache Kyuubi: from 1.6.0 through 1.10.2.
Users are recommended to upgrade to version 1.10.3 or upper, which fixes the issue.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L
Primary rating from Vendor (apache) · only source for this CVE.
CVSS VectorVendor: apache
Lifecycle Timeline
2DescriptionCVE.org
Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allow.list and use local files which are not listed in the config.
This issue affects Apache Kyuubi: from 1.6.0 through 1.10.2.
Users are recommended to upgrade to version 1.10.3 or upper, which fixes the issue.
Executive ViewAI
CVE-2025-66518 presents significant security risk rated CVSS 8.8. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems. Organizations should apply vendor updates when available and consider compensating controls in the interim.
Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
Server-Side Request Forgery (SSRF) and open-proxy behavior in Apache Kyuubi's Engine UI proxy exposes the Kyuubi server
Arbitrary file write in Apache Kyuubi (1.7.0 through 1.11.1) lets a remote attacker abuse the REST batch multipart uploa
Exploit-DB