EUVD-2026-70659
GHSA-xvx8-crx2-xjwv
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Network-accessible Kibana API; PR:L for required Fleet read role; C:L for cross-space metadata only; no integrity or availability impact.
Primary rating from Vendor (elastic).
CVSS VectorVendor: elastic
Lifecycle Timeline
3DescriptionCVE.org
Missing Authorization in Kibana Leading to Information Disclosure / Missing Authorization (CWE-862) in the Kibana Fleet feature can lead to information disclosure via Privilege Abuse (CAPEC-122). An authenticated user holding read-level Fleet agent privileges in one Kibana space could enumerate agent metadata and access diagnostic content belonging to agents enrolled in other Kibana spaces.
AnalysisAI
Cross-space agent data exposure in the Kibana Fleet feature allows authenticated low-privileged users to read agent metadata and diagnostic content outside their authorized Kibana space. An attacker holding read-level Fleet agent privileges in any one Kibana space can enumerate agents enrolled in other spaces - bypassing the space-based access boundary that Elastic uses for multi-tenancy isolation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated Kibana user holding at minimum read-level Fleet agent privileges in any one Kibana space. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is moderate and contained. … 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 9.4.6 (stable) or 9.5.3 (latest) per the vendor advisory at https://discuss.elastic.co/t/kibana-9-4-6-9-5-3-security-update-esa-2026-153/390160. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-862 – Missing Authorization
View allSame technique Information Disclosure
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External POC / Exploit Code
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