CVE-2026-78586 — Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service

CVE-2026-78586

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

Description (CNA)

Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user with low-level privileges could submit a specially crafted request that causes Kibana to consume an unbounded amount of memory, rendering it unavailable to all users.

Affected (CNA)

Vendor / product	Versions
Elastic / Kibana	affected 8.0.0 through 8.19.15; affected 9.0.0 through 9.3.4; affected 9.4.0 through 9.4.1

CWE

CWE-770

References

https://discuss.elastic.co/t/kibana-8-19-16-9-3-5-9-4-2-security-update-esa-2026-163/390116

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.