| Package | Affected versions | Patched versions |
|---|---|---|
| org.springframework.boot:spring-boot-elasticsearch | ≥ 4.0.0, < 4.0.6 | 4.0.6 |
| spring boot | ≥ 4.0.0, < 4.0.6 | 4.0.6 |
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.
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