CVE-2026-26936CWE-1333

Inefficient Regular Expression Complexity in Kibana Leading to Denial of Service

Medium · published February 26, 2026

CVSS v3.1
4.9
EPSS
1%
Percentile
44.4
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS v3.1
4.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00536 · 44.4th percentile
Weakness
CWE-1333 · Inefficient Regular Expression Complexity
Published
2026-02-26T17:07Z
EPSS history
Timeline
  • 26 FEB 17:07Z
    Inefficient Regular Expression Complexity in Kibana Leading to Denial of Service
    cvelistv5