EUVD-2026-70067
GHSA-5hpp-wj8x-q98g
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Requires authenticated session (PR:L); impact is resource exhaustion on the cluster only (A:L), with no confidentiality or integrity consequence.
Primary rating from Vendor (elastic).
CVSS VectorVendor: elastic
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Incorrect Authorization (CWE-863) in Kibana's machine learning feature allows authenticated users to invoke ML functionality beyond their assigned authorization scope, consuming Elasticsearch cluster resources they are not permitted to access. Affected across all Kibana versions prior to the 8.19.21, 9.4.6, and 9.5.2 releases patched under Elastic advisory ESA-2026-169. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a valid authenticated Kibana session (PR:L) - unauthenticated attackers cannot exploit this. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.3 Medium rating is consistent with real-world risk here. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Kibana to version 8.19.21, 9.4.6, or 9.5.2 as directed by Elastic advisory ESA-2026-169 (https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-169/390119). … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-863 – Incorrect Authorization
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External POC / Exploit Code
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