CVE-2025-66249

Apache Livy: Unauthorized directory access

MEDIUM
6.3
CVSS Score
Published: March 13, 2026 at 03:21 PM UTC
Updated: June 17, 2026 at 09:56 AM UTC
1 product affected across 1 vendorLivy

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.3.0 ≤ v < 0.9.00.3.0-incubating ≤ v < 0.9.0-incubating0.3.0-incubating
Affected range stops below 0.9.0-incubating, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Vendor AdvisoryMailing List
Source: cverecord
https://lists.apache.org/thread/1xwphsfn4jbtym4k4o0zlvwfogwqwwc3
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/03/12/2

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22

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