CVE-2025-66518
Apache Kyuubi: Unauthorized directory access due to missing path normalization
Description
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.
INFO
Published Date :
Jan. 5, 2026, 9:15 a.m.
Last Modified :
Jan. 5, 2026, 1:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-66518
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | f0158376-9dc2-43b6-827c-5f631a4d8d09 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Upgrade Apache Kyuubi to version 1.10.3 or later.
- Apply configuration changes to restrict local directory access.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-66518.
| URL | Resource |
|---|---|
| https://lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodl | |
| http://www.openwall.com/lists/oss-security/2026/01/05/1 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-66518 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-66518
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-66518 vulnerability anywhere in the article.
-
Daily CyberSecurity
Apache SIS Patch Blocks XML Attack That Leaks Server Files
The Apache Software Foundation has issued a security advisory for the Apache Spatial Information System (SIS), a key Java library used for developing geospatial applications. A newly discovered vulner ... Read more
-
Daily CyberSecurity
CVE-2025-66518: High-Severity Flaw in Apache Kyuubi Exposes Local Server Files
Apache Kyuubi, the distributed gateway designed to provide secure, serverless SQL access to massive data lakes, has patched a high-severity vulnerability that could allow unauthorized access to the se ... Read more
-
Daily CyberSecurity
Attacking from Within: How Adobe ColdFusion Admins Can Weaponize Remote Shares
Image: Brian Adobe has issued critical updates for its ColdFusion platform after security researcher Brian Reilly uncovered a clever logic flaw that allows authenticated administrators to turn a stand ... Read more
The following table lists the changes that have been made to the
CVE-2025-66518 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Jan. 05, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/01/05/1 -
New CVE Received by [email protected]
Jan. 05, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-27 Added Reference https://lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodl