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Vulnerabilities CVE-2026-49095

CVE-2026-49095

High
Open
TLP:CLEAR

Improper Input Validation in Kibana Fleet Leading to Privilege Escalation

NVD CVE.org
Critical Infrastructure

AI Analysis

No AI analysis yet.

Description

Improper Input Validation (CWE-20) in the Kibana Fleet agent policy management feature can lead to privilege escalation. An authenticated user with Fleet management privileges can manipulate agent policy configuration by injecting values into a configuration override mechanism that is not adequately validated. An attacker can cause Elastic Agents to be issued API keys with elevated Elasticsearch privileges, potentially granting unauthorized read and write access to sensitive Elasticsearch security indices beyond what is intended for the Fleet management role.

Details

CVSS Score
7.2
EPSS Score
0.26%

18th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Confidence
90%
Published
May 28, 2026
Last Modified
May 28, 2026
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