CVE-2026-78586CWE-770denial-of-service

CVE-2026-78586

Medium · published September 2, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
39.8
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 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.

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
0.00472 · 39.8th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-09-02T19:17Z
Affected products (3)
ProductVersionsFixed in
elastic/kibana≥ 8.0.0, < 8.19.168.19.16
elastic/kibana≥ 9.0.0, < 9.3.59.3.5
elastic/kibana≥ 9.4.0, < 9.4.29.4.2
References (1)
https://discuss.elastic.co/t/kibana-8-19-16-9-3-5-9-4-2-security-update-esa-2026-163/390116 · [email protected]
EPSS history
Timeline
  • 04 SEP 03:44Z
    EPSS moved — → 0%
    epss
  • 02 SEP 14:43Z
    Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service
    cvelistv5