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CVE-2025-25015

CRITICAL CVSS 3.1: 9.9 EPSS 0.74%
Updated Oct 02, 2025
Elastic
Parameter Value
CVSS 9.9 (CRITICAL)
Affected Versions 8.15.0 — 8.17.3
Fixed In 8.16.6
Type CWE-1321 (Prototype Pollution)
Vendor Elastic
Public PoC No

Prototype pollution in Kibana leads to arbitrary code execution via a crafted file upload and specifically crafted HTTP requests. In Kibana versions >= 8.15.0 and < 8.17.1, this is exploitable by users with the Viewer role. In Kibana versions 8.17.1 and 8.17.2 , this is only exploitable by users that have roles that contain all the following privileges: fleet-all, integrations-all, actions:execute-advanced-connectors

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Elastic Kibana
cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
8.15.0 8.16.6
Elastic Kibana
cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
8.17.0 8.17.3