CVE-2026-78588

6.5 mediumEPSS 0.4%

Medium (6.5) in elastic filebeat. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWE: CWE-770
Published: 2026-09-02
Modified: 2026-09-03
Record from: the NVD, synced 2026-10-19

Affected

elastic:filebeat

References

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

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