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OpenAdvisories
Medium · 6.5 CVE-2026-72628 EUVD-2026-69564GHSA-x7p2-xrmv-3p2x

Improper Handling of Highly Compressed Data in Kibana Leading to Denial of Service

Published Sep 1, 2026 · Updated Sep 1, 2026 · Assigned by elastic

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.

Affected products

VendorProductAffectedFixed
Elastic Kibana 8.19.0 – ≤ 8.19.20, 9.0.0 – ≤ 9.4.5, 9.5.0 – ≤ 9.5.1 —

Advisories 1

References