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VULNERABILITIES

CVE-2026-72628 Details

Description

Improper Handling of Highly Compressed Data (CWE-409) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding Streams management privileges could supply specially crafted content that expands to a far larger volume of data during processing, exhausting the memory available to Kibana. The Kibana process is terminated by the host and remains unavailable to all users until the service is restarted.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-125/390090 [email protected]MitigationVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-409Improper Handling of Highly Compressed Data (Data Amplification)[email protected]

Affected Products

ProductVersions
elastic kibana
>= 8.19.0, < 8.19.21
>= 9.0.0, < 9.4.6
>= 9.5.0, < 9.5.2

CPE

  • cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-72628
NVD Published Date:
Sep 1, 2026
NVD Last Modified:
Sep 2, 2026
Source:
[email protected]
CVE-2026-72628 Details - Not Deferred