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GHSA-c96x-rpm4-349p

Spring Boot's Elasticsearch auto-configuration doesn't perform hostname verification when connecting to the Elasticsearch server.

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-40970

Packages

EcosystemPackageAffectedFixed in
Maven org.springframework.boot:spring-boot-elasticsearch >= 4.0.0, < 4.0.6 4.0.6

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.