GHSA-c96x-rpm4-349p

ghsaUSosv

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

view advisory published 2026-04-27Licence: CC-BY-4.0

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-40970US	medium6.8	0.14% (3rd)	—	2026-04-27
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:…

references

External citations — patches, advisories, analysis.

https://github.com/spring-projects/spring-bootPACKAGE
https://github.com/spring-projects/spring-boot/releases/tag/v4.0.6WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-40970ADVISORY
https://spring.io/security/cve-2026-40970WEB

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