EUVD-2026-69567
GHSA-g5v5-hvmc-hhx2
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
PR:L reflects required Kibana ML read role; C:H because arbitrary ES index data is exposed; no integrity or availability impact exists.
Primary rating from Vendor (elastic).
CVSS VectorVendor: elastic
Lifecycle Timeline
2DescriptionCVE.org
Execution with Unnecessary Privileges (CWE-250) in the Kibana machine learning feature can lead to information disclosure via Privilege Abuse (CAPEC-122). An operation available to users holding only read access to the machine learning feature was performed with an internal service identity rather than the identity of the requesting user. Such a user could therefore receive data from Elasticsearch indices they are not authorized to read. No Elasticsearch cluster or index privileges are required.
AnalysisAI
Privilege abuse in Kibana's machine learning feature allows any user holding read-only ML access to retrieve data from Elasticsearch indices they are not authorized to see. The flaw (CWE-250) occurs because Kibana executes certain ML read operations under an internal service identity rather than forwarding the requesting user's credentials to Elasticsearch, effectively bypassing Elasticsearch's index-level access controls. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid Kibana user account with read access to the machine learning feature (e.g., the built-in ml_viewer role or any custom role granting ML read). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.5 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) is accurate and internally consistent: the attack is network-reachable, requires no special conditions, demands only a low-privilege Kibana account (ML read role), and yields high confidentiality impact with no integrity or availability consequence. … 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 appropriate for your release line, per Elastic security advisory ESA-2026-135 (https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-135/390091). … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-250 – Execution with Unnecessary Privileges
View allSame technique Privilege Escalation
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External POC / Exploit Code
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