Resource Allocation Vulnerability in Kibana by Elastic
CVE-2026-72653

6.5MEDIUM

Key Information:

Vendor

Elastic
Status
Kibana
Vendor
CVE Published:
13 August 2026

What is CVE-2026-72653?

The vulnerability in Kibana arises from improper resource management, allowing authenticated users authorized to maintain system windows to exploit this flaw. By submitting a specially crafted malformed payload, an attacker can cause excessive resource consumption, leading to application unresponsiveness. This issue necessitates manual intervention to restore functionality, resulting in potential service disruptions for all users.

Affected Version(s)

Kibana 8.12.0 <= 8.19.18

Kibana 9.0.0 <= 9.3.7

Kibana 9.4.0 <= 9.4.3

References

https://discuss.elastic.co/t/kibana-8-19-19-9-3-8-9-4-4-s...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.