Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service
Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user who is authorized to manage maintenance windows could submit a specially crafted, malformed payload that causes the Kibana process to consume excessive resources. Kibana becomes unresponsive for all users and does not recover without manual intervention.
Affected Versions:
- All versions from 8.12.0 up to and including 8.19.18
- All versions from 9.0.0 up to and including 9.3.7
- All versions from 9.4.0 up to and including 9.4.3
Affected Configurations:
All configurations are affected.
Solutions and Mitigations:
The issue is resolved in versions 8.19.19, 9.3.8 and 9.4.4.
For Users that Cannot Upgrade:
For Users that Cannot Upgrade:
There are no workarounds for this vulnerability.
Indicators of Compromise (IOC)
No specific indicators of compromise have been identified for this vulnerability.
Elastic Cloud Serverless
Due to our continuous deployment and patching model, the vulnerability described in this security advisory was remediated in our Elastic Cloud Serverless offering before the public disclosure.
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-2026-72653
Problem Type: CWE-770 - Allocation of Resources Without Limits or Throttling
Impact: CAPEC-130 - Excessive Allocation