Vulnerability DatabaseCVE-2025-66518
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CVE-2025-66518
January 05, 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. Users are recommended to upgrade to version 1.10.3 or upper, which fixes the issue.
Affected Packages
https://github.com/apache/kyuubi.git (GITHUB):
Affected version(s) >=v1.6.0-incubating <v1.10.3
Fix Suggestion:
Update to version v1.10.3
org.apache.kyuubi:kyuubi-server_2.12 (JAVA):
Affected version(s) >=1.6.0-incubating <1.10.3
Fix Suggestion:
Update to version 1.10.3
org.apache.kyuubi:kyuubi-server_2.12 (SCALA):
Affected version(s) >=1.9.1 <1.10.3
Fix Suggestion:
Update to version 1.10.3
Related Resources (4)
http://www.openwall.com/lists/oss-security/2026/01/05/1
https://lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodl
https://github.com/apache/kyuubi
https://nvd.nist.gov/vuln/detail/CVE-2025-66518
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CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
LOW
CVSS v3
Base Score:
8.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-22
Path Traversal: 'dir/../../filename'
CWE-27
EPSS
Base Score:
0.03