Path Traversal Vulnerability in Apache Livy by Apache
CVE-2025-66249

6.3MEDIUM

Key Information:

Vendor

Apache
Status
Apache Livy
Vendor
CVE Published:
13 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-66249?

A path traversal vulnerability in Apache Livy allows for the circumvention of directory restrictions under non-default server configurations. This issue particularly arises when the 'livy.file.local-dir-whitelist' setting is modified from its default state, enabling attackers to potentially access restricted directories. To mitigate this risk, users are advised to update to version 0.9.0, which resolves this configuration-related vulnerability.

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Affected Version(s)

Apache Livy 0.3.0-incubating < 0.9.0-incubating

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-66249-POC
Created by sid6224

References

https://lists.apache.org/thread/1xwphsfn4jbtym4k4o0zlvwfo...
vendor-advisory

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Hiroki Egawa
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