CVE-2026-72644 Uncaught Exception in Kibana Leading to Denial of Service

What is CVE-2026-72644?

CVE-2026-72644 is a medium-severity denial of service vulnerability in Elastic Kibana, published on 1 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-248

Which versions are affected by CVE-2026-72644?

It affects 1 product.

Products include Elastic Kibana.

How do I fix CVE-2026-72644?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-72644 being exploited?

There is no known exploitation of CVE-2026-72644 in the wild and no public exploit code.

Other vulnerabilities in Elastic Kibana

• CVE-2019-7609 Kibana Arbitrary Code Execution Exploited Critical 9.8
• CVE-2025-25015 Kibana arbitrary code execution via prototype pollution Critical 9.9
• CVE-2024-37288 Deserialization in Kibana Critical 9.9
• CVE-2023-31415 Code injection in Kibana Critical 9.9
• CVE-2018-17245 Information disclosure in Kibana Critical 9.8

All Elastic Kibana vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6932-j9j3-frp3, MINI-68x5-j2v8-pm64, MINI-7pcv-cjqh-pc72, MINI-8c93-vvhf-9f57, MINI-f32r-8mwg-9vm8, MINI-hr7h-6w42-f5w3.