Kibana 8.19.10, 9.1.10, 9.2.4 Security Update (ESA-2026-03)

Announcements Security Announcements
1

Allocation of Resources Without Limits or Throttling in Kibana Leading to Excessive Allocation (ESA-2026-03)

Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana Fleet can lead to Excessive Allocation (CAPEC-130) via a specially crafted request. This causes the application to perform redundant processing operations that continuously consume system resources until service degradation or complete unavailability occurs.

Affected Versions:

  • 7.x: All versions from 7.10.0 up to and including 7.17.29

  • 8.x: All versions from 8.0.0 up to and including 8.19.9

  • 9.x:

    • All versions from 9.0.0 up to and including 9.1.9

    • All versions from 9.2.0 up to and including 9.2.3

Solutions and Mitigations:

The issue is resolved in version 8.19.10, 9.1.10, 9.2.4.

Severity: CVSSv3.1: Medium (6.5) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE ID: CVE-2026-0530

Problem Type: CWE-770 - Allocation of Resources Without Limits or Throttling

Impact: CAPEC-130 - Excessive Allocation