CVE-2026-78595

EUVD-2026-70659
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
elasticCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
elastickibana
9.1.0 ≤
𝑥
≤ 9.4.5
CNA
elastickibana
9.5.0 ≤
𝑥
≤ 9.5.2
CNA
Common Weakness Enumeration
References
https://discuss.elastic.co/t/kibana-9-4-6-9-5-3-security-update-esa-2026-153/390160