CVE-2026-49094
Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
6.5
MEDIUM
CVSS 3.1
EPSS 0.05%
Description
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.
How to fix CVE-2026-49094
To remediate CVE-2026-49094, upgrade the affected package to a fixed version below.
- —upgrade to 8.19.16 or later
- —upgrade to 8.19.16 or later
Is CVE-2026-49094 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 8.0.0, < 8.19.16
- >= 8.0.0, < 8.19.16
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |