NuytsTech Security

CVE-2026-40970

by ·

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.

More information : https://spring.io/security/cve-2026-40970

Tags: