ElasticCVE-2026-78600
Elastic Eck Operator: incomplete cleanup
Low3.5CVE-2026-78600 · Published Sep 2, 2026 · updated Sep 3, 2026
Incomplete Cleanup (CWE-459) in Elastic Cloud on Kubernetes (ECK) can lead to unauthorized access via Privilege Abuse (CAPEC-122). Authentication credentials persist after a cross-namespace association has been denied by RBAC enforcement, allowing a low-privileged tenant to retain unauthorized read access to the associated Elasticsearch cluster.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Eck Operator Product | >= 2.6.0, <= 3.4.1 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-459
More Elastic advisories
All Elastic| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 2 | Elastic Kibana: improper authorization | Medium4.3 | No fix yet |
| Sep 2 | Elastic Kibana: path traversal | Medium6.5 | No fix yet |
| Sep 2 | Elastic Kibana: missing authorization | Medium5.5 | No fix yet |
| Sep 2 | Elastic Maps Server: path traversal | Medium5.3 | No fix yet |
| Sep 2 | Elastic Agent: insecure permissions | High7.8 | No fix yet |
| Sep 2 | Elastic Eck Operator: improper authorization | Medium5.4 | No fix yet |