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CVE-2026-26936

MEDIUM CVSS 3.1: 4.9 EPSS 0.08%
Updated Feb 27, 2026
Kibana
Parameter Value
CVSS 4.9 (MEDIUM)
Type CWE-1333 (Inefficient Regular Expression Complexity / ReDoS)
Vendor Kibana
Public PoC No

Inefficient Regular Expression Complexity (CWE-1333) in the AI Inference Anonymization Engine in Kibana can lead Denial of Service via Regular Expression Exponential Blowup (CAPEC-492).

Attack Parameters

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

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1