Vulnerability details
CVE-2025-66518
Apache Software Foundation Apache Kyuubi
Apache Kyuubi: Unauthorized directory access due to missing path normalization
CVSS 4.0
8.8High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 4.0 | CVEProject cvelistV5 (CNA) (apache) | 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 |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apache Software Foundation | Apache Kyuubi | 1.6.0 ≤ v ≤ 1.10.2 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-01-05
- Last updated
- 2026-01-05
- State
- Published
- Assigner (CNA)
- apache
Exploit prediction (EPSS)
0.99%
Probability of exploitation in 30 days
62.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-27Path Traversal: 'dir/../../filename'