What’s Vulnerable › Vulnerabilities

CVE-2026-82293: Incorrect Authorization in Kibana Leading to Unauthorized Resource Consumption

• Severity: medium (CVSS 4.3 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: 2026-09-02 · updated 2026-09-03
• Weakness: CWE-863

Description

Incorrect Authorization (CWE-863) in the Kibana machine learning feature can lead to unauthorized resource consumption via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user could invoke machine learning functionality beyond their authorization scope, consuming cluster resources they should not be able to reach.

Affected products

• Kibana: from 8.0.0 through 8.19.20; from 9.0.0 through 9.4.5; from 9.5.0 through 9.5.1

References

• https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-169/390119

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