CVE-2026-63137

HIGH CVSS 3.1: 8.3 EPSS 0.35%
Updated Sep 02, 2026
Kibana
Parameter Value
CVSS 8.3 (HIGH)
Affected Versions 9.3.0 — 9.4.3
Fixed In 9.4.3
Type CWE-863 (Incorrect Authorization)
Vendor Kibana
Public PoC No

Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). A user holding workflow edit permissions could cause scheduled workflow executions to run with the privileges of a different, higher-privileged user, allowing access to and modification of data beyond their own authorization scope.

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
Low
Partial disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Elastic Kibana
cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
9.3.0 9.4.3