CVE-2026-26936

high

Description

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).

References

https://discuss.elastic.co/t/kibana-8-19-11-9-2-5-security-update-esa-2026-14/385250

Details

Source: Mitre, NVD

Published: 2026-02-26

Updated: 2026-03-02

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H