Description
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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Spring | Spring Boot | 4.0.0 – < 4.0.6 | 4.0.6 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.springframework.boot:spring-boot-elasticsearch | >= 4.0.0, < 4.0.6 | 4.0.6 | GHSA-c96x-rpm4-349p |
Advisories 1
- WID-SEC-2026-1263 VMware Tanzu Spring Boot: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 28, 2026