Vulnerability Report

CVE-2026-49094

Title: Uncontrolled Resource Consumption in Kibana leading to Denial of Service

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2026-49094.

CWE Category CWE-400

Published Date May 28, 2026

Modified Date Jul 21, 2026

Exploit Status Not Found

Score 6.5 CVSS v3.1

Exploit Probability (EPSS)

0.27%

Vulnerability Summary

CVE-2026-49094: Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with viewer-level access can submit a request containing an oversized input value to an analytics collections management endpoint. Kibana will consume excessive CPU and memory resources while processing the request. This results in Kibana becoming unavailable to all users until the service is manually recovered.

Impacted Vendors

elastic 1

elasticsearch 1

Reference Links

https://discuss.elastic.co/t/kibana-8-19-16-security-update-esa-2026-39/386561/1

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

6.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-49094 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

July 21, 2026 MODIFIED

Vulnerability data updated via NVD.

June 01, 2026 MODIFIED

Vulnerability data updated via NVD.

May 29, 2026 MODIFIED

Vulnerability data updated via NVD.

May 28, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.