Is CVE-2026-4498 actively exploited?

CVE-2026-4498 has no public evidence of in-the-wild exploitation as of 2026-04-13.

What is the CVSS score for CVE-2026-4498?

CVE-2026-4498 has a CVSS score of 7.7 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

How do I patch CVE-2026-4498?

Patch guidance is available from elastic security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-4498.

Fix CVE-2026-4498 - HIGH elastic kibana

Q: Which products are affected by CVE-2026-4498?

3 products: elastic kibana, elastic kibana, elastic kibana.

Description

Execution with Unnecessary Privileges (CWE-250) in Kibana’s Fleet plugin debug route handlers can lead reading index data beyond their direct Elasticsearch RBAC scope via Privilege Abuse (CAPEC-122). This requires an authenticated Kibana user with Fleet sub-feature privileges (such as agents, agent policies, and settings management).

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: changed
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-250

Metadata

Primary Vendor: ELASTIC
Published: 4/8/2026
Last Modified: 4/13/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-4498

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary