VDB
CVE-2026-78609
CVE-2026-78609
PUBLISHED
CVSS 5.4 MEDIUM
Reported by elastic · Published September 2, 2026
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.
Risk Scores
CVSS 3.1
5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Elastic | Eck Operator | 2.6.0 |
| Elastic | Eck Operator | 2.6.0 |
Timeline
- Sep 1, 2026 CVE Published
- Sep 3, 2026 EPSS Score