CVE-2025-66249 — MEDIUM (6.3)

Q: How severe is CVE-2025-66249?

CVE-2025-66249 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-66249?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Livy.

Vulnerability 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.

CVSS Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Apache	Livy	>= 0.3.0, < 0.9.0

Related Weaknesses (CWE)

CWE-22

References

https://lists.apache.org/thread/1xwphsfn4jbtym4k4o0zlvwfogwqwwc3Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/03/12/2Mailing ListThird Party Advisory

FAQ

What is CVE-2025-66249?

CVE-2025-66249 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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 ex...

How severe is CVE-2025-66249?

CVE-2025-66249 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-66249?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Livy.