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CVE-2026-49095

6.5 MEDIUM

Improper Input Validation (CWE-20) in the Kibana Fleet agent policy management feature can lead to privilege escalation

Published: 2026-05-28 · Last updated: 2026-06-01

Severity and scoring

CVSS
6.5 MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CWE
CWE-20

Affected products

VendorProduct
elastickibana

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.

Source: NVD

References

Related CVEs

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  • CVE-2026-42400 — Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130) (6.5 MEDIUM)
  • CVE-2026-42399 — Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130) (6.5 MEDIUM)
  • CVE-2026-42398 — Server-Side Request Forgery (CWE-918) in Kibana allows authenticated users with connector management privileges to bypass the operator-co... (7.7 HIGH)

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