CVE-2026-40970

CVSS Score & Metrics

Base Score

5.0 / 10

Vector String

                                        CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L                                    

Vulnerability 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.

Vulnerability Details

Published Date

April 27, 2026

Last Modified

April 27, 2026

CWE ID

CWE-295

Source

NVD

Vendor

Spring

Product

Spring Boot

External References

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

CVSS Score & Metrics

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Vulnerability Details

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