CVE-2026-56150 — Allocation of Resources Without Limits or Throttling in Fleet Server Leading to Denial of Service

CVE-2026-56150

Allocation of Resources Without Limits or Throttling in Fleet Server Leading to Denial of Service PUBLISHED

Description (CNA)

Allocation of Resources Without Limits or Throttling (CWE-770) in Fleet Server can lead to a denial of service via Excessive Allocation (CAPEC-130). An attacker can submit a specially crafted request to an upload endpoint that causes excessive memory consumption, which may render Fleet Server unavailable.

Affected (CNA)

Vendor / product	Versions
Elastic / Fleet Server	affected 9.0.0 through 9.2.4; affected 8.0.0 through 8.19.10

CWE

CWE-770

References

https://discuss.elastic.co/t/fleet-server-8-19-11-9-2-5-9-3-0-security-update-esa-2026-44

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.