๐Ÿ” CVE Alert

CVE-2026-26936

MEDIUM 4.9

Inefficient Regular Expression Complexity in Kibana Leading to Denial of Service

CVSS Score
4.9
EPSS Score
0.0%
EPSS Percentile
0th

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).

CWE CWE-1333
Vendor elastic
Product kibana
Published Feb 26, 2026
Last Updated Feb 26, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Affected Versions

Elastic / Kibana
9.0.0 โ‰ค 9.2.4 8.0.0 โ‰ค 8.19.10

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
discuss.elastic.co: https://discuss.elastic.co/t/kibana-8-19-11-9-2-5-security-update-esa-2026-14/385250