Advisoriesby IbisElasticCVE-2026-63260
Elastic Kibana: resource exhaustion
No fix yet
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated attacker with low-privilege access can trigger a denial of service condition in Kibana by sending a specially crafted, oversized request payload. Processing this user-supplied input requires resource-intensive memory allocation that can exhaust the available heap memory in the Kibana process, causing it to crash and become unavailable to all users.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Kibana Product | >= 9.0.0, <= 9.3.7 | No fix yet |
| >= 8.0.0, <= 8.19.18 | No fix yet | |
| >= 9.4.0, <= 9.4.3 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-400