Medium severity5.4NVD Advisory· Published Sep 2, 2026· Updated Sep 2, 2026
CVE-2026-78609
CVE-2026-78609
Description
Incorrect Authorization (CWE-863) in Elastic Cloud on Kubernetes (ECK) can lead to unauthorized modification of data via Metadata Spoofing (CAPEC-690). An actor holding limited Kubernetes permissions confined to a single namespace could cause attacker-controlled certificate material to be included in the Elasticsearch client trust bundle managed by ECK in a separate namespace.
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Affected products
1Patches
Vulnerability mechanics
References
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