CVE-2025-66249

MEDIUM LAB

Apache Livy 0.3.0-0.9.0 - Path Traversal

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-66249. PoCs published by sid6224.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2025-66249, a path traversal vulnerability in Apache Livy. It includes a root cause analysis, patch diffs, and a proof-of-concept setup using Docker to demonstrate the vulnerability and its fix.

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.

Exploits (1)

nomisec WRITEUP
by sid6224 · poc
https://github.com/sid6224/CVE-2025-66249-POC

This repository provides a detailed technical analysis of CVE-2025-66249, a path traversal vulnerability in Apache Livy. It includes a root cause analysis, patch diffs, and a proof-of-concept setup using Docker to demonstrate the vulnerability and its fix.

Classification
Writeup 100%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Apache Livy 0.3.0-incubating through 0.8.0-incubating
Auth required
Prerequisites: Authenticated access to Livy's REST or JDBC interface · Non-default value set for `livy.file.local-dir-whitelist`
devstral-2 · analyzed Mar 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 6.3
EPSS 0.0008
EPSS Percentile 24.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Lab Environment

COMMUNITY
Community Lab
docker pull eclipse-temurin:11-jdk-focal
docker pull livy-dev-spark:latest
docker pull livy-dev-server:latest
docker pull livy-dev-base:latest

Details

CWE
CWE-22
Status published
Products (3)
apache/livy 0.3.0 - 0.9.0
Apache Software Foundation/Apache Livy 0.3.0-incubating - 0.9.0-incubating
org.apache.livy/livy-server 0.3.0-incubating - 0.9.0-incubatingMaven
Published Mar 13, 2026
Tracked Since Mar 14, 2026