CVE-2026-42397: kibana from 9.3.0 (inclusive), before 9.3.7 (exclusive), from 9.4.0 (inclusive), before 9.4.4 (exclusive); +1 more…

CVE-2026-42397. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.0042 (percentile 0.35292), scored 24-Oct-2026. Fixed version: 8a1aee1fa2521e4355e4586014854bf740707344. Fixed version: 77cd231096e56b56ac1d24445a9430a252622e6d. Fixed version: 36e00282a99d328a291ef2eefb94fe83b741dd19. Fixed version: 08c91e2fed2dbb7bdca4ec70b32630356bbeef07.

Affected technology

kibana · from 9.3.0 (inclusive), before 9.3.7 (exclusive)
elastic

kibana · from 9.4.0 (inclusive), before 9.4.4 (exclusive)
elastic

Kibana · 9.4.0 through 9.4.3, 9.3.0 through 9.3.6
Elastic

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service under the conditions described by the source. Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 25-Oct-2026 01:00 UTC

CWE: CWE-770
CCR priority: 26.1 /100 (P4)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
EPSS: 0.0042 · percentile 0.35292 · 2026-10-24
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC
OSV.dev · Source record · observed 2026-10-24 16:38:25.544256+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-42397.html