# CVE-2026-72644

## Summary

- **CVE ID:** CVE-2026-72644
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-248
- **Published:** Sep 1, 2026
- **Last Modified:** Sep 1, 2026

## Description

Uncaught Exception (CWE-248) in Kibana can lead to a denial of service via Input Data Manipulation (CAPEC-153). An authenticated user holding only the low-privileged feature access required to use the Observability AI Assistant can submit a specially crafted request that produces an unhandled error condition, terminating the Kibana process and denying service to all users and spaces on that instance until it is restarted.

## Affected Products

- Elastic — Kibana (9.1.7)
- Elastic — Kibana (9.5.0)

## References

- [CNA](https://discuss.elastic.co/t/kibana-9-4-5-9-5-1-security-update-esa-2026-115/390088)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.30%
- **EPSS Percentile:** 22.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._