What’s Vulnerable › Vulnerabilities
CVE-2026-72644: Uncaught Exception in Kibana Leading to Denial of Service
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-01 · updated 2026-09-02
- Weakness: CWE-248
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
- Kibana: from 9.1.7 before 9.4.5; 9.5.0 — fixed in 9.4.5
How to fix
Upgrade to a fixed version: Kibana 9.4.5. Check the vendor advisory for mitigations.
References
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