Is CVE-2026-72628 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-72628?

CVE-2026-72628 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-72628

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.