Is CVE-2026-78588 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-78588?

CVE-2026-78588 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-78588

Description

Allocation of Resources Without Limits or Throttling (CWE-770) in Filebeat can lead to a denial of service via Excessive Allocation (CAPEC-130). An attacker able to reach the Filebeat HTTP ingestion endpoint could send specially crafted compressed requests that exhaust the memory resources of the Filebeat process.