CVE-2026-42397CWE-770denial-of-service

CVE-2026-42397

Medium · published July 22, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
35.2
In the wild
Unconfirmed
What it is

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 can submit a specially crafted request to affected Entity Analytics endpoints containing an oversized input value that causes excessive resource consumption, which may render Kibana unavailable.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00420 · 35.2th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-07-22T00:17Z
Affected products (2)
ProductVersionsFixed in
elastic/kibana≥ 9.3.0, < 9.3.79.3.7
elastic/kibana≥ 9.4.0, < 9.4.49.4.4
References (1)
https://discuss.elastic.co/t/kibana-9-3-7-9-4-4-security-update-esa-2026-55/388554/1 · [email protected]
EPSS history
Timeline
  • 21 JUL 19:40Z
    Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service
    cvelistv5