CVE-2026-56146

MEDIUM

Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure

Title source: cna

Description

Improper Access Control (CWE-284) in Kibana can lead to unauthorized modification of Entity Analytics Watchlist configuration and potential information disclosure. A low-privileged authenticated user with read-only Security Solution access could perform write operations on watchlist data that should require elevated privileges. Under specific deployment conditions, this could also allow such a user to access data beyond their authorized scope.

References (1)

Core 1

Core References

https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-58/388557

Scores

CVSS v3 5.4

EPSS 0.0017

EPSS Percentile 6.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-863

Status published

Products (1)

Elastic/Kibana 9.4.0 - 9.4.2

Published Jul 21, 2026

Tracked Since Jul 22, 2026