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CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2026-78609

Incorrect Authorization in Elastic Cloud on Kubernetes Leading to Unauthorized Modification of Data

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Elastic Eck Operator

Default version status: unaffected

  • 2.6.0 to ≤ 3.4.1affected

References