CVE-2026-78588

Allocation of Resources Without Limits or Throttling in Filebeat Leading to Denial of Service

State: Published
Severity: 6.5 Medium
Published: Sep 2, 2026
Updated: Sep 2, 2026
Reserved: Aug 24, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	elastic

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
FilebeatElastic	8.0.0 through 8.19.17Affected 9.0.0 through 9.3.0Affected

References

https://discuss.elastic.co/t/filebeat-8-19-18-9-3-1-security-update-esa-2026-165/390118

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