Vulnerability · Published Sep 2, 2026 · Assigned by elastic

CVE-2026-78588Allocation of Resources Without Limits or Throttling in Filebeat Leading to Denial of Service

Medium 6.5

In plain English

A medium-severity resource allocation without limits in Filebeat from Elastic. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 63.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Elastic Filebeat 8.0.0 – through 8.19.179.0.0 – through 9.3.0

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References