CVE-2026-78609: CWE-863 Incorrect Authorization in Elastic Eck Operator
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.
CVE-2026-78609: CWE-863 Incorrect Authorization in Elastic Eck Operator
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.
CVSS v3.1
Score 5.4medium
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- elastic
- Date Reserved
- 2026-08-24T21:13:52.890Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a98384bacd9273b495d16ff
Added to database: 09/02/2026, 14:52:59 UTC
Last updated: 09/02/2026, 14:52:59 UTC
Views: 1
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