Apache Livy up to 0.8.x path traversal

Summaryinfo

A vulnerability was found in Apache Livy up to 0.8.x. It has been declared as critical. Affected is an unknown function. Executing a manipulation can lead to path traversal. The identification of this vulnerability is CVE-2025-66249. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apache Livy up to 0.8.x and classified as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at lists.apache.org. This vulnerability was named CVE-2025-66249. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/20/2026). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 0.9.0 eliminates this vulnerability.

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Productinfo

Vendor

• Apache

Name

• Livy

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8

License

• open-source

Website

• Vendor: https://www.apache.org/

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