Resource Management Flaw in Kibana Fleet by Elastic
CVE-2026-0531

6.5MEDIUM

Key Information:

Vendor

Elastic
Status
Kibana
Vendor
CVE Published:
13 January 2026

What is CVE-2026-0531?

A resource management flaw in Kibana Fleet allows attackers to exploit excessive resource allocation through specially crafted bulk retrieval requests. By leveraging low-level privileges akin to the viewer role, an attacker can trigger the application to execute redundant database operations, rapidly consuming memory resources. This can lead to application crashes and make the service unavailable for legitimate users, posing a significant risk to the integrity and availability of the affected systems.

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Affected Version(s)

Kibana 7.10.0 <= 7.17.29

Kibana 8.0.0 <= 8.19.9

Kibana 9.0.0 <= 9.1.9

References

https://discuss.elastic.co/t/kibana-8-19-10-9-1-10-9-2-4-...

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

Credit

vultza
JSON
.