CVE-2026-78594 | Elastic APM Server up to 8.19.19/9.4.4/9.5.0 data amplification

September 2, 2026 Yanac

A vulnerability was found in Elastic APM Server up to 8.19.19/9.4.4/9.5.0 and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation results in highly compressed data.

This vulnerability was named CVE-2026-78594. The attack may be performed from remote. There is no available exploit.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More