medium5.0
CVE-2026-40970
When configured to use an SSL bundle, Spring Boot's Elasticsearch auto-configuration does not perform hostname verification when connecting to the Elasticsearc…
Impact
When configured to use an SSL bundle, Spring Boot's Elasticsearch auto-configuration does not perform hostname verification when connecting to the Elasticsearch server. Affected: Spring Boot 4.0.0–4.0.5; upgrade to 4.0.6 or later per vendor advisory.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.springframework.boot:spring-boot-elasticsearch | >= 4.0.0, < 4.0.6 | 4.0.6 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Vmware | Spring Boot | from 4.0.0 before 4.0.6 |