CVE-2026-26936

Inefficient Regular Expression Complexity in Kibana Leading to Denial of Service

State
Published
Severity
4.9 Medium
Published
Feb 26, 2026
Updated
Feb 26, 2026
Reserved
Feb 16, 2026

Read the record on cve.org

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).

Scores

CVSSScoreVectorSource
3.14.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Helastic

Weaknesses

  • CWE-1333 Inefficient Regular Expression Complexity

Affected Products

ProductVersions
KibanaElastic
  • 9.0.0 through 9.2.4Affected
  • 8.0.0 through 8.19.10Affected

References

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