CVE-2026-78588

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductElastic Filebeat
PublishedSep 2, 2026
First seenSep 2, 2026

How to fix

Update
  • elastic filebeat8.19.18, 9.3.1 or later

Affected products

ProductAffected versionsFixed in
elastic filebeat8.0.0 ≤ v < 8.19.18, 9.0.0 ≤ v < 9.3.18.19.18, 9.3.1

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CVE-2026-78588 · Elastic Filebeat · Dark Radar