CVE-2025-66249
Medium
Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache Livy. This issue affects Apache Livy: from 0.3.0 before 0.9.0. The vulnerability can only be exploited with non-default Apache Livy Server settings. If the configuration value "livy.file.local-dir-whitelist" is set to a non-default value, the directory checking can be bypassed. Users are recommended to upgrade to version 0.9.0, which fixes the issue.
SeverityMedium
CVSS6.3
Exploit probability—
Product
Apache Livy
PublishedMar 13, 2026
First seenMar 13, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- apache livy0.9.0 or later
- org.apache.livy:livy-server0.9.0-incubating or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache livy | 0.3.0 ≤ v < 0.9.0 | 0.9.0 |
| org.apache.livy:livy-serverMaven | 0.3.0-incubating ≤ v < 0.9.0-incubating | 0.9.0-incubating |
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