Denial of Service Vulnerability in Kibana by Elastic
CVE-2026-72628

6.5MEDIUM

Key Information:

Vendor

Elastic
Status
Kibana
Vendor
CVE Published:
1 September 2026

What is CVE-2026-72628?

An improper handling of highly compressed data vulnerability in Kibana could allow an authenticated user with Streams management privileges to craft specially designed content that leads to excessive memory allocation. This results in a Denial of Service, as the Kibana process is terminated by the host, rendering the service unavailable to all users until the system is manually restarted.

Affected Version(s)

Kibana 8.19.0 <= 8.19.20

Kibana 9.0.0 <= 9.4.5

Kibana 9.5.0 <= 9.5.1

References

https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-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

.